Saturday, 7 January 2012

Short term vs. long term: why Britain should say Yes to HS2

Two years ago, when the initial plans for HS2 were announced, I wrote a blog post trying to make the case for High Speed 2, or HS2 as it is now universally referred to. Today, it is being reported that a Network Rail review has concluded that the main alternatives could not generate the required capacity.

First of all, let's clear up one common misconception. The Daily Mail article on Saturday led off with "The biggest rail project in over a century will cut the journey time between Britain’s two biggest cities from one hour 24 minutes to just 49 minutes." Yes, it's true, but that's not the point!

The point of HS2 is not speed, it's capacity. Simply put, the railways are very rapidly running out of capacity. The West Coast Main Line (WCML) between London and Rugby is particularly bad, and will be completely out of capacity by the mid-2020s unless something is done.

So, what should be done? HS2 involves building a new high-speed railway line from London to Birmingham and Lichfield, so that all the long-distance services on the WCML can be diverted onto the new high-speed tracks, leaving the existing tracks free for more commuter services, meaning more capacity for everyone. While a price tag of £17bn seems like a lot, we're already spending £16bn building Crossrail, and another £6bn rebuilding Thameslink; and HS2 would have an impact across the country, rather than on "just" commuter services in the south-east.

Nonetheless, there is a significant amount of opposition, and various alternatives have been proposed. In particular, the HS2 report published two years ago examined in detail a range of incremental upgrades to the existing network which would deliver comparable capacity increases. Since the Network Rail report hasn't been published yet, I'm going to try and explain why such incremental upgrades won't be enough.

Option 1: longer trains. Fortunately, Virgin Trains are way ahead of you: they're already lengthening the Pendolinos from 9 carriages to 11. Any longer, and the trains won't fit into Liverpool Lime Street station; even if you disregard Liverpool, there are very few platforms that can cope with trains longer than 12 carriages. So lengthening trains any more all of a sudden comes with a huge disruptive price tag of having to lengthen platforms.

Lengthening platforms sounds easy, but it betrays the complexity of the network. For example, at the end of the platform there may be some points or signals, meaning that in order to extend the platforms you have to move the points and the signals too. The line may be on a curve, and thus extending the platforms requires curved platforms, which means a gap between train and platform, and more inconvenience (and I don't believe curved platforms are allowed any more).

Option 2: faster trains to Northampton. This sounds slightly counter-intuitive at first, so bear with me. There are two kinds of train on the fast lines out of Euston: Virgin Pendolinos, which can do 125mph, and London Midland Desiros, which (for the time being) can only manage 100mph. Each hour (off-peak), there are nine Pendolinos and two Desiros on the fast lines. Because the Desiros run slower, there has to be a gap behind them so that the next Pendolino doesn't catch them up; this means that you end up with fewer trains than you could in theory have.

The solution to this is to make all the trains the same speed. In theory, it doesn't actually matter whether you speed up the Desiros or slow down the Pendolinos; but slowing down the Pendolinos would be political suicide for Virgin and would significantly increase the journey times out to Birmingham and Manchester. So, the Desiros ought to be speeded up to 125mph.

Well, good news! The Desiros are currently being speeded up, but only to 110mph (they're not physically capable of any faster). This will mean a gain of at least one extra train per hour on the fast lines. In an ideal world, the Desiros would be supplemented (or replaced) by more 125mph trains to serve Northampton; while that would gain you some capacity, one starts to run into problems with running basically InterCity trains on commuter journeys to Northampton, such as it taking longer to get people on and off the train, which starts to negate some of the benefit.

Option 3: grade separation at Ledburn Junction. Ledburn Junction, between Tring and Leighton Buzzard, is the junction where the London Midland Desiros turn off the fast lines onto the slow lines, to get out of the way of the Virgin Pendolinos through Milton Keynes. Because of the arrangement of the tracks and the layout of the junction, trains crossing from fast to slow or vice versa block the junction to trains in the other direction.

It's like having a right-turning lane in the middle of a dual-carriageway: you have to wait for the traffic to clear before you can turn right. Because trains can't run on line-of-sight, and have to be signalled, it's usually the other way round: it's like the traffic stopping at traffic lights just so you can turn right. That slows lots of people (trains) down for only one person (train) to turn right. Much better would be to have a motorway junction, where you go up a ramp, and over the offending traffic. Which is a great idea, but it's fairly expensive to build. More importantly, it's disruptive: imagine trying to drive through the junction while they're in the middle of building the ramp.

Option 4: four-track Birmingham to Coventry. Or, more accurately, Stechford to Berkswell, since Birmingham to Stechford is too tight to fit any more tracks, and there's a tunnel just east of Berkswell that would be impossible to widen (to say nothing of trying to fit two extra tracks through western Coventry without demolishing several streets). The Birmingham-Coventry corridor is one of the most congested railway lines in the Midlands, with fast trains between Birmingham and London having to share track with stopping services calling at local stations.

Prior to 2008, the stopping services called at all the stations, every half-hour. But in order to fit the new every-20-minutes London to Birmingham service from Virgin in, the local trains have had to become every 20 minutes and only call at about 2/3 of the stops each. So at Canley, my nearest station in western Coventry, only two of the three stopping trains actually calls; one runs through non-stop. This means that, rather than an easily memorable half-hourly pattern, trains to Birmingham leave at 14 and 33 minutes past the hour (the third should be at 53, but runs through non-stop), and trains to Coventry leave at 17 and 44 minutes past the hour (where the third should be at 57).

Four-tracking between Stechford and Berkswell, then, would permit local trains to be overtaken by fast trains, and remove the risk inherent in the current timetable: the line has so little slack in it that one stopping train being just 3 minutes late can delay up to four or five trains behind it. Were it not for the huge disruption it would require to construct, and the enormous cost of £900 million, I would be entirely in favour of four-tracking Birmingham-Coventry.

Unfortunately, to deal with the capacity problems on the WCML, we don't just need one of options 1, 2, 3 and 4 above, we'd need all four of them, and many more besides such as extra platforms in London and in Manchester as well as speed improvements around Stafford and Northampton. The so-called "Rail Package 2" proposed by the DfT as an alternative to HS2 would cost £4.2 billion, including all the above track upgrades and new rolling stock.

Admittedly, it does represent good value for money; indeed, in the way the DfT has calculated it may even be better value for money than HS2. But looking at the number of calories will tell you that a bag of sweets is better than a hot meal, since it will give you more energy; it won't tell you that an hour after eating the bag of sweets you'll be hungry again.

Rail Package 2 undoubtedly has the ability to deliver a significant increase in capacity, but it provides a trickle of incremental benefits rather than one huge step-change, something I believe can only be delivered with long stretches of new track rather than quick fixes to bottlenecks and extra bits of track bolted on here and there.

It would also be horrendously disruptive to deliver Rail Package 2. Some of you probably think I'm over-egging the disruption that upgrades cause; my earlier blog post showed my experiences of the right way to do engineering works, diverting trains instead of replacing them with buses. However, that doesn't hide the fact that what should have been a four-and-a-half hour journey from Coventry to Edinburgh became six hours - a third longer - though at least the disruption was confined to one bank holiday weekend.

Imagine having to spend a third longer on your commute to work every day. A 2003 study put our average commuting time at 45 minutes each way; suppose instead that that went up to an hour each way. That's an extra half an hour of your day wasted on travelling; half an hour less with your family; half an hour less to relax and unwind. Imagine doing that every day for a year - or maybe even five years - and you begin to get some idea of the disruption caused by an upgrade on the required scale.

The worst thing, however, about Rail Package 2 is that we've been here before. All the anti-HS2 campaigners seem to have incredibly short memories: for eight years during the West Coast Route Modernisation, between 2000 and 2008, the whole WCML was left with a mediocre, sub-standard service, particularly at weekends, while they closed half the track to rebuild it all. I, for one, do not want an upgrade of that scale to happen again.

HS2, by contrast, would require minimal disruption to existing journey patterns; of course it will cause significant disruption to the countryside it runs through, but except for a few towns there aren't actually very many people living near the route. Were the Birmingham-Coventry line to be four-tracked as part of any alternative to HS2, I have no doubt that the very large number of people living alongside that line would far outweigh the number of people disrupted by building HS2 in the Chilterns.

The leading article in Saturday's Independent advocates against HS2, as follows: "The most convincing argument in favour of HS2 is that it will act as a much-needed bypass, easing the congestion that bedevils the West Coast Main Line. But to plump for an all-new high-speed rail link, rather than dealing with the bottlenecks in the existing network, runs counter to the advice of the most recent review of Britain's transport infrastructure and relies on passenger numbers soaring at an unprecedented rate to balance the sums."

True, the Eddington Report in 2006 did indeed shy away from recommending high-speed rail as a solution to our transport problems. But this was in an era when oil cost just $60 a barrel, rather than the current $110 or more; and with no prospect of the oil price going down any time soon, the economics of transport have changed dramatically in the last five years.

The rate of increase in passenger numbers is hardly unprecedented either: today the rail network is booming in a way that no-one expected even five years ago. Between 2005/6 and 2010/11, the total number of rail journeys increased by just over 25%, and now stands at 1.35 billion passenger journeys per year. Indeed, that represents nearly a doubling since the early 1990s, when there were fewer than 750 million journeys per year.

Fifteen years ago, the incremental, disruptive, West Coast Route Modernisation - which cost a whopping £9 billion - was touted as the long-term solution to the capacity problems then facing the WCML. Given that, just four years after its completion, we're even discussing such solutions as Rail Package 2 or HS2, it's clear that it wasn't. The modernisation of the last decade was much-needed and is very welcome, but it came at a huge cost of disruption and only solved the problem in the short term.

Once again, we are faced between the choice of a short-term sticking-plaster, in the form of Rail Package 2, or a long-term cure, in the form of High Speed 2. We are often told that we never learn from history; let this not be one of those occasions. If we reject HS2 it would prove that Britain has become incapable of thinking beyond the short-term.

Let us learn from our mistakes. Let us plan for the long-term. Let us endorse HS2.

Tuesday, 8 November 2011

California, Days 7-11

My apologies for the delay to this blog: unfortunately, sometime between getting off the plane in Heathrow and arriving back in Coventry, I lost my iPod Touch on which I had been writing the blog entries from California, and until now I haven't had time to reconstruct my movements and write up what I did in Los Angeles and Pasadena. Here, then, is a reasonably detailed summary of what I did for the four days I was in LA, and of the journey home.

On Friday 23rd September (Day 7), I spent the day exploring Pasadena on foot. After a brief visit to Tim's office on Caltech campus, I walked west into the centre of Pasadena. It was a pretty hot day, with temperatures peaking at 33C, but thanks to the desert climate of the area the humidity was relatively low, and so the temperature, while relatively uncomfortable, was much more bearable than anything I experienced in Japan last June, where even 28C was enough to force me indoors.

Nonetheless, after lunch in Subway, I headed indoors to escape the peak of the heat, to the Norton Simon Museum, Pasadena's (and one of southern California's) best art museums. The museum houses European paintings ranging from the 14th century right up to the 20th century: some of its more notable exhibits include a self-portrait by Rembrandt, Dujardin's Denial of Peter, and Rubens's David Slaying Goliath.

The museum is also home to a large collection of south and south-east Asian art, with a number of incredible vast sculptures in stone and in bronze. Outside, in the courtyard garden, there are also a number of modern sculptures dotted around the gardens. I enjoyed a snack of pitta and houmous from the café while sitting outside in the shade.

After looking round the Norton Simon Museum, I wandered around the western part of Pasadena, chancing upon Gamble House, built by Charles and Henry Greene at the beginning of the 20th century, and one of the finest examples of understated yet elegant architecture in the city. Eventually I headed back through Memorial Park and past City Hall to Caltech campus, from where Tim and I headed back to his apartment for dinner and a quiet evening watching more Coupling.

On Saturday 24th (Day 8), Tim and I headed to the western side of LA to the Getty Center; like most of southern California, the easiest access is by road, so we headed west on the 134 freeway, continuing onto the 101, before heading south on the 405. The 405 runs across a mountain pass, connecting Santa Monica to Van Nuys, and is such a key artery that, not only does it already have five lanes in each direction, it is being widened to six - clearly needed as even mid-morning on a Saturday there were traffic jams!

The Getty Center is a vast, sprawling campus home to (part of) the J. Paul Getty Museum. The campus itself is set upon a hilltop overlooking Los Angeles to the south; parking is in an underground car park just off the freeway, with six levels underground, from which a cable-drawn tram took us up to the campus. In clear weather the campus features incredible views of the city; unfortunately coastal fog conspired to rob us of the best views, but it was still pretty incredible.

We spent most of the day there, looking round the vast collection of pre-20th century art, including paintings, sculptures, and illuminated manuscripts, spread across four buildings. The buildings are surrounded by wonderful gardens which are host to a wide variety of flowers in a circular field with a stream and waterfall running through the middle.

After nearly six hours on the campus, we headed back to Pasadena; instead of retracing our steps, we headed south on the 405, east on the 10 - literally through downtown LA - and then north along the aborted stub of the 710. The 710 was originally meant to connect Pasadena and the 210 to East LA and Long Beach; but one key section through South Pasadena would have involved demolishing hundreds of houses in one of the most affluent areas of southern California, and the plans have been on indefinite hold for over 40 years.

Instead, the 710 dumps all its traffic onto surface streets at Valley Boulevard, and so we wended our way through the streets of Pasadena. There are ambitious plans to complete the missing section with a huge 4.5 mile tunnel, but such plans have not yet got off the drawing board.

This "South Pasadena Gap" means there are no north-south freeways between the 5, running through downtown LA, and the 605, running along the San Gabriel River valley. Although the east-west distance between the 5 and the 605 is only 12 miles, that 12 miles is in one of the most densely populated areas of the US; that said, pro- and anti-completion lobbies have long argued about whether completing the 710 would alleviate or aggravate the notorious traffic congestion in LA.

In the evening, we watched Heat, an epic three-hour crime thriller set (appropriately) in downtown LA, written and directed by Michael Mann and starring Al Pacino and Robert De Niro; with some incredible action scenes I was literally on the edge of my seat.

Sunday 25th (Day 9) brought a fairly quiet day: Tim went to the dojo in the morning, after which we headed for lunch in Pasadena, before heading onto campus and discussing some maths. Caltech campus is beautiful: while more urban than Warwick campus, being integrated into the city blocks of Pasadena, the architecture and the landscape provides a wonderful environment in which to do research.

The tallest building on the campus is the Millikan Library, named after Robert Millikan, the Nobel Prize-winning physicist who first successfully measured the charge on the electron, and who spent nearly 25 years as chairman of Caltech's executive council. The building stands ten floors high, and from the top floor one can see the San Gabriel Mountains to the north (though they were a little hazy on Sunday).

After a quiet Sunday evening, on Monday 26th (Day 10) I again spent the morning on Caltech campus; Tim had arranged for me to meet with Dennis Kochmann, another postdoctoral researcher, who has similar research interests to me, and we discussed a number of interesting mathematical questions. After lunch on campus, I headed into Pasadena to attempt the seemingly impossible: use public transport in southern California.

I walked to the north side of Pasadena to catch the Metro Gold Line from Lake station as far as Union Station in central downtown LA. They call them trains, and treat them like an underground metro system, but in reality they're what we would call trams, with the ability to run on tracks on streets as well as on dedicated tracks. The Gold Line between downtown LA and Pasadena opened in 2003, and runs every 12 minutes during the day (more at peak times, and less in the evenings), with the journey from Lake to Union Station taking just under 30 minutes.

Union Station itself is something of a timewarp, much like the Amtrak network as a whole: a throwback to what rail travel used to be like in Britain 50 years ago, with just one train a day to big destinations, and an apparent inability to just get a ticket and get on a train. Unfortunately I didn't get the opportunity to try Amtrak at all; all the more reason to go back, I guess!

I spent a couple of hours wandering around the centre of downtown LA: my first port of call was to City Hall, where there's an observation deck on the 28th floor where you can get a 360-degree panorama of the city. The views were very good, clearer than they had been from the Getty Center, although not being as high up meant some of the skyscrapers in the financial district towered over us.

I searched in vain for a bookshop, before heading towards Disney Hall, one of the most stunning pieces of modern architecture I've ever seen: home to LA's finest concert hall, designed by Frank Gehry, and opened in 2003, the building is an array of odd angles and sweeping curves covered in metal.

Finally, I headed back towards Union Station, passing over one of the bridges over the I-10 freeway. The 10 literally threads itself through downtown Los Angeles; lessons learned from ghettos created under freeways which were elevated through urban areas led to later freeways being sunk into cuttings through cities, such as the 10 through LA. It was quite odd to stand over a highway with four lanes in each direction with the skyscrapers of downtown LA almost in spitting distance.

My return trip from LA to Pasadena was during rush hour - I left Union Station at about 5:15pm - and I'm pleased to report that the train was pretty much full. So full that I was standing the whole way, which I didn't object to at all since I bagged a spot to stand at the front, looking into the driver's cab and out onto the track in front. The train thinned out gradually, and I got a seat for the last couple of stops.

I headed back to Caltech campus to meet Tim, before heading into the centre of Pasadena for dinner in Zono Sushi, a Japanese restaurant, and then back to Tim's apartment for the last time.

Tuesday 27th (Day 11) was my final day in California; after a quiet morning catching up on blog, followed by lunch on Caltech campus again, I got a SuperShuttle - basically a pre-booked shared taxi - from Caltech to the airport, since Tim had a meeting.

After checking in at about 3pm, I wandered over from Terminal 7, the United terminal from which I was due to depart, to the Tom Bradley International Terminal, in seach of some shops. I succeeded, finding some interesting maps which I'd been looking for, as well as a muffin and a drink. Once back in Terminal 7, I made my way through security - experiencing the back-scatter X-ray scanners for the first time - and relaxed, waiting for my flight home:

Flight UA934: 1755 Los Angeles T7 to London Heathrow T1, arr 1215 (+1)
Operated by United Airlines using a Boeing 777, seat 37B
Pushback: 1750, takeoff 1801, landing 1219, on stand 1225

My flight home lasted just over ten hours. We pushed back early, and were airborne just a few minutes after our departure time. We were served dinner, a beef brisket with mushrooms, an hour or so after takeoff, and a brunch of a bread roll, a yogurt, a banana and a Danish-style pastry about an hour before landing at 11am British time.

I tried to sleep on the plane, but just as I was getting off to sleep about five hours into the flight, we hit a solid five-minute patch of turbulence, and I was wide awake once more. I dozed for another half an hour or so, but I didn't exactly land well-rested.

Our route took us due north-east out of LA, over Las Vegas and the Rocky Mountains, crossing the Canadian border about Winnipeg, skirting the southern end of Hudson Bay, south of Greenland, hitting land once more on the western coast of Ireland about Sligo.

At this point the approach became spookily familiar: we headed east over Ireland, joining the standard eastbound track just north of the north coast of Wales, before turning south-east over the Wirral and heading towards London; from the north coast of Wales, all very similar to the usual approach from Belfast into Birmingham or London.

In spite of the prompt departure from LA, we landed a few minutes late at Heathrow, mostly due to traffic congestion on approach. We were placed in the infamous Bovingdon Stack, the holding pattern over the Hertfordshire village of Bovingdon, which is used for all flights arriving from the north west of London. We entered at 10,000 feet, and exited after five 180-degree turns - not the most pleasant of things when they're right-hand turns and you're sat one seat from the left-hand window - and headed south-west to line up for final approach to runway 09L.

On landing we taxied back to the stand from which I had departed ten days previously - gate 49 of terminal 1 - and after a few minutes embarked on the seemingly interminable walk to the terminal proper. Gate 49 is one of the stands which will form part of the first satellite building of the new Heathrow East terminal, and as such it is rather a long way from the main building so that they can fit planes all the way round it.

With no queue at immigration I breezed through and picked up my bag, and headed for the Heathrow Express:

1303 Heathrow Express, Heathrow Central to Paddington arr 1319

After a brief wait outside Paddington for a platform, we arrived on time, and I stepped off the train into an unseasonably warm 27C. Unfortunately, unlike LA, it was horribly humid, and I found myself rather sweaty in short order. After grabbing some magazines and some lunch, I headed for the tube and went back to Euston the same way I'd arrived:

Bakerloo line, Paddington to Oxford Circus
Victoria line, Oxford Circus to Euston

I arrived in Euston a few minutes too late to catch the 1343, so I waited for the 1403. Normally I avoid the xx03 departures from Euston, since they call at Rugby and deprive you of the giddy sensation of going over the junction at Rugby at 125mph; on this occasion, however, I was too shattered to care, and just wanted to get home.

1403 Euston to Coventry, arr 1502

After the familiar trip up the West Coast Main Line - fortunately event-free, unlike the previous few times, though still five or six minutes late into Coventry for no apparent reason - I grabbed a bus for the short journey to my house, and arrived home at about 15:30, having been up for nearly 24 hours.

Obviously, not wanting to go to bed at 4pm - since that would have completely ruined what little semblance of a sleeping pattern I have - I decided to go to campus, and finished my day in the office catching up on what I'd missed over the five weeks in which I'd been in Edinburgh, Northern Ireland, Guildford, and California.

All in all, a busy and enjoyable September.

Monday, 26 September 2011

California, Day 6

On Thursday, I said goodbye to San Francisco; while I now love the city I was heading south to Los Angeles to stay with Tim, another friend of mine, in Pasadena. After packing and saying many goodbyes, I headed for the nearby BART station and caught the train back to San Francisco Airport.

BART, Yellow Line: 1129 Civic Center/UN Plaza to San Francisco International Airport, arr 1158

At the airport, however, I was not heading for international departures; for the first time I was taking a domestic flight in another country. I checked in and joined the line for security, which had been so long it was taking up half the terminal; by the time I got there it was a bit more manageable.

Once through security, I was in the airside part of Terminal 3, the United Airlines domestic terminal. In contrast to every British airport, where departures and arrivals are well-segregated, it seems that the norm for American airports is to have everyone sharing the same terminal space.

Thus, arriving passengers were walking through exactly the same terminal space as those waiting for departures, past the same shops and using the same toilets. I guess when it's only domestic flights it's not so much of a problem from the point of view of preventing illegal immigration, but it is nonetheless odd from a British perspective.

That said, customs rules force any arriving international passengers to go through customs and immigration at their first point of landing in the US, thus making airside connections basically pointless and impossible. At first glance, it appears this is so the Americans don't have to redesign every airport in the country.

I bought a magazine and a copy of the New York Times (which is, de facto, a national newspaper) to read on the plane, and then got some lunch, a cheeseburger from Lori's. After that I headed to the gate.

I was particularly impressed with the amount of information provided by United and by the airport: instead of weasel words and apologies we got exact estimates of delays to planes and the reason for them (usually ATC or late inbound aircraft). It is a very small change that meant everyone knew where they stood and weren't constantly waiting for information over the tannoy; personally I find there's nothing worse than not knowing if you're going to be delayed or not.

Also on display at the gate were lists of passengers waiting for upgrades or on standby for seats, as well as information on the type of aircraft and where it's coming from. We were even told verbally that we might be a couple of minutes late boarding; no British airport would bother to alert people to that short a delay. It put me at ease, and we did indeed board a couple of minutes late:

Flight UA698: 1425 San Francisco T3 to Los Angeles T7, arr 1548
Operated by United Airlines using an Airbus A320, seat 31A
Pushback: 1424, takeoff 1458, landing 1559, on stand 1606

We pushed back on time, but then we queued for takeoff on one of the two east-west runways. From our plane we could quite easily see that both parallel runways were being used for both take-offs and landings, unlike, for example, Heathrow, which uses one runway for landings and the other for takeoffs. In spite of the fact that "mixed mode" is theoretically more efficient, we seemed to wait longer than was really necessary, and it took us nearly half an hour to get airborne.

The flight itself, though, was smooth as silk with some stunning views. I had a left-hand window seat; after taking off from runway 28L, we turned south-east and followed the coastline down to Los Angeles. This afforded us excellent views of the San Francisco Bay; while the Pacific side was covered in thick fog the bay itself was clear as crystal.

In particular, it was quite amazing to be able to look back down at the airport we had just departed from and see, clear as day, the runways we'd used, the queue of planes waiting to take off, and even two planes coming in to land simultaneously (not quite side by side, but they landed within 30 seconds of each other on parallel runways).

Most of the journey was clear, and I had a good view over the mountains and into the desert-like plains of central California. Los Angeles itself and the surrounding area were in the midst of pretty thick coastal fog, and the visibility was relatively poor for the last few minutes of the flight; after descending through cloud over downtown LA, we turned sharply to the right not far from the runway, and landed heading south-west on runway 24L.

On arrival into Los Angeles terminal 7, it was another American domestic terminal with arriving and departing passengers intermingled. I headed for baggage reclaim to another surprise: members of the public are permitted to enter as far as baggage reclaim, and so Tim was there waiting for me; I had expected to have to reclaim my bag, *then* go find him. My bag came pretty soon after I got there, and we headed to Tim's car.

San Francisco is one of the best cities in the USA for using public transport; Los Angeles is not. Indeed, the Los Angeles freeway network was started in the 1930s and fully mapped out in the 1940s, before most of the world had even heard of such roads.

While this blog exists primarily due my love of public transport, I cannot deny a strong interest in road and motorway design as well; indeed, my late grandfather played a part in designing much of the motorway network of Northern Ireland (though due to budget cuts in the 1970s calling it a network today is somewhat optimistic). As such I was actually quite looking forward to being driven on Los Angeles's incredible network of freeways.

Our drive from the airport to Tim's apartment in Pasadena took us east on Interstate 105, before turning north onto the 110. The 110 runs from Long Beach, on the coast south of Los Angeles, through the western part of downtown LA, and then up the Arroyo Seco valley (literally "dry river bed") to Pasadena. The portion between LA and Pasadena was the first freeway constructed in the area, opening in 1940, and does not conform to modern standards for Interstate Highways, thus meaning it is designated merely as a state highway.

It's not difficult to see why: some of the junctions are literally 90-degree right turns that have a rather generous speed limit of 5mph, and some of the on-slips are in fact stop lines where cars are then forced to accelerate to full freeway speed in no distance at all! One particular interchange, that between the 110 and the 5, requires traffic from the 110 northbound going to the 5 northbound to curve sharply left in a tunnel (with a speed limit of 25mph) in one lane. These myriad design features inevitably contribute to LA's infamous traffic problems; I'm almost glad that I can't drive, so that I'm not tempted to try in LA.

We left LAX at just after 4:20pm, and the traffic was just starting to clog up for the evening rush hour. Tim decided to put Beethoven's 9th Symphony on and see if we could get back to his apartment before its completion; we succeeded, but with only 57 seconds to spare. (For the record, it was the performance by the Tbilisi Symphony Orchestra.) That said, had it not been for the carpool lanes on various stretches it would have taken much longer.

Tim is a postdoctoral researcher in mathematics at Caltech (the California Institute of Technology), and after dumping my stuff we headed to his office on the Caltech campus, a short five-minute walk away, so he could do a little more work and check in with the world.

After that we headed back to Tim's apartment, where he cooked dinner for us, before Tim headed to the dojo for an aikido training session while I relaxed and wrote some blog. Later in the evening, Tim introduced me to an hilarious British comedy series from 2000 or so, called Coupling, of which we watched a couple of episodes before retiring to bed.

Sunday, 25 September 2011

California, Day 5

My original plan for Wednesday had been to head for a boat tour to Alcatraz, but by the time I got round to actually booking it it was sold out. I decided instead to go for a boat cruise around the San Francisco bay; but given the busy few days I'd had previously I took things easy and was in no rush.

I left the house about 11:30 and headed out to get some lunch, with the intention of going on a boat trip in the afternoon. I decided to head to the Castro for lunch, using the Muni Metro.

However, when I got to the metro station at Civic Center it was clear that not all was going to plan; in 15 minutes only one train went by, but that was going along the N line, and I needed either K, L or M. After 15 minutes an L train turned up, but then they announced they were experiencing "outbound delays due to technical difficulties".

After a couple of minutes of being held in the station, we proceeded to the next station, Van Ness. At Van Ness we sat for a while longer, and I considered going up to street level to catch the F instead to the same destination. After six minutes I finally decided to get off, whereupon my impatience was duly rewarded with the train's immediate departure. That'll teach me. 

So, having gone up to street level, I caught another historic streetcar, this one from Birmingham (I presume it meant Alabama, not the West Midlands); I rode the F from Van Ness to Castro and 17th, the line's terminus.

The Castro is a district of much culture and history; in 1977 it made history by electing Harvey Milk to the board of supervisors (essentially the city council), who thus became the first openly gay man elected to public office anywhere in the United States (and possibly the world). Tragically, he was shot dead a year later, as was Mayor Moscone, by Dan White, one of Milk's fellow supervisors.

The district today is a bastion of local culture, and I enjoyed a lingering lunch in Harvey's, a local restaurant at the intersection of 18th and Castro named in Milk's honour, while watching the world go by.

Eventually I headed back towards the waterfront, taking the metro line T from Castro to Embarcadero, from where I took a short walk to catch the F from Ferry Plaza to Fisherman's Wharf.

As I said my original plan had been to take a boat to Alcatraz and look around "The Rock", the infamous prison island dotted in the middle of San Francisco Bay. As it was, partly due to my forgetting and partly due to not being all that fussed about doing it at all, I failed to book in time they had sold out.

This being my last full day in San Francisco, I didn't have another opportunity to go on a boat, so I decided instead to head on a one-hour cruise around the bay with Blue and Gold Ferries. For $25, we were taken under the Golden Gate Bridge, around Alcatraz, and back alongside the Wharf.

The Golden Gate Bridge was, as is quite usual, shrouded in some fog but the visibility was better than Monday and we actually got a pretty good view of the bridge; the southern end was again covered in fog but the view to the northern end was clear enough when we got up close to see quite a lot of Marin County.

On the return from the Golden Gate Bridge we passed Alcatraz, which was originally inhabited in 1858 as a military base overseeing the bay; but the officers hated its remoteness and it was converted first to a military prison and then eventually into a federal penitentiary. There were only about 300 cells on the island, and the prison was reserved for the worst offenders only, eventually closing in 1963.

It's difficult to explain how remote Alcatraz feels, in spite of - or perhaps because? - its position only 1.5 miles offshore. The island is now a national historic landmark, and tours around the jails are apparently very interesting, if rather touristy.

After an hour at sea - where it was pretty windy, but still sunny enough to sunburn my cheeks - we landed back at Pier 39, and I had an ice-cream before heading back to Ferry Plaza on the F, this time on a streetcar from Philadelphia.

By now I'd been on almost all the types of public transport in San Francisco, except one: the trolleybuses. Most of the major bus lines have electric wires overhead, just like trams, and electric buses run along the streets (on normal tyres) powered by their connection to the overhead electric wires.

I thus decided to forgo the F at Ferry Plaza and get a #21 from Ferry Plaza to Market and 7th. It was an odd sensation being on what was quite obviously a bus but without the inevitable diesel engine sounds and smells: the quiet hum sounded so like a tram that it was hard to believe that underneath us were rubber tyres, not steel rails. But tyres they were, and I got off at Market and 7th to head to a shop and get some milk.

In my search for a shop I chanced upon the United Nations Plaza, which forms the centrepoint of the city's municipal buildings. On June 26th, 1945, the treaty establishing the United Nations was signed in San Francisco, and the plaza commemorating this was inaugurated in 1975.

Engraved in the ground is the full text of the preamble to the Charter of the United Nations: "We, the peoples of the United Nations, determined to save succeeding generations from the scourge of war... do hereby establish an international organisation to be known as the United Nations."

After a quiet dinner, Robert, Charlie and I watched Rushmore, a 1998 film directed by Wes Anderson, in which an eccentric teenager, Max, and a rich industrialist, Herman (played by Bill Murray), become friends and vie for the love of an elementary school teacher, Rosemary Cross. The film is hilarious and very well-directed, and made for an interesting evening's entertainment. I eventually headed to bed for my last night's sleep in San Francisco, before flying to Los Angeles on Thursday.

Friday, 23 September 2011

California, Day 4

On Tuesday, I went for a tour of San Francisco's art museums. I started with the four-block walk to the San Francisco Museum of Modern Art. I got there at 11am, just as it opened, and I had to queue for 15 minutes to get in.

The museum houses an impressive collection in a spectacular building: spanning five floors, the building was completed in 1995 and remains one of the most eye-catching buildings in the city. Inside, there are a number of permanent exhibitions as well as a variety of rotating temporary exhibitions; as a result, the fourth floor (i.e., the third floor) was closed for renovation.

The first exhibit I came upon was also the most interesting: it exhibited the work of Dieter Rams, a designer for the electrical company Braun, whose ruthless desire for simplicity and good design have led, directly or indirectly, to some of the most iconic designs of our time: everything from calculators to hairdryers were subjected to unrelenting simplification, and his work has influenced many designers, not least Jonathan Ive at Apple who designed the iMac and the iPhone.

There was an exhibit of portraits and self-portraits: perhaps the most eye-catching exhibit was a pair of sculptures by Janine Antoni, both busts of her head, one in chocolate and one in soap. Another exhibit of photographs, Face of Our Time featured a series of photos by Richard Misrach of houses in New Orleans devastated and looted after Hurricane Katrina. Finally, the Rooftop Garden featured a number of large-scale sculptures.

The museum as a whole was very nice, and exhibits some of the best art west of Chicago; an enjoyable hour and a half, after which I popped into Subway, grabbed some lunch, and walked to Union Square to eat in the shade.

After lunch, I took two buses to head to Lincoln Park, in the north-west of the city. I first took the #38L along Geary Street (which becomes Geary Boulevard further out) from Union Sq to 33rd Avenue, which took nearly half an hour. There, I changed to the #18, from 33rd and Geary up to the Legion of Honor.

The Legion of Honor, a beautiful stone building with mock Greek columns, was given to San Francisco by Alma de Brettville Spreckels on Armistice Day, 1924, to honour the Californians who died in World War I. It is now home to San Francisco's finest collection of art from the renaissance right through to the early 20th century.

Its biggest and most impressive collection is that of the bronze sculptures of Auguste Rodin, with one, The Thinker, standing in the courtyard at the entrance to the museum. Others include The Three Shades and The Severed Head of St John the Baptist; all are exquisite, and the collection befits its impressive surroundings.

The rest of the permanent collection houses an impressive collection of old paintings, including El Greco's St John the Baptist, and Monet's Grand Canal, Venice. One of my favourites, though, was the slightly more obscure painting called Holy Week in Seville by Jose Jimenez y Aranda, depicting a pastor preaching to the assembled crowds outside the cathedral.

There were two temporary exhibitions on: one was of Dutch and Flemish Masters, which was interesting but not especially memorable. The second, though, was of The Mourners, tomb sculptures from the Court of Burgundy in Dijon. The cathedral in Dijon is currently undergoing renovation, permitting these 37 porcelain figurines depicting monks mourning in various manners to be removed for a special exhibition. Rarely is it possible to see them so close up and so intimately; the Mourners are a fascinating study of the continuing human battle with grief.

After nearly two hours in the museum, I headed into the surrounding Lincoln Park. From the museum, it is a short walk to the coastal path; after one or two false starts, I found myself onto the coastal path and headed west round the headland of Point Lobos.

The point of Lands End affords some of the best views of the Golden Gate Bridge: for the first (and only) time, I saw the bridge completely unadorned by fog. A little further west, at Point Lobos, is the westernmost point of San Francisco, with views stretching out over the Pacific Ocean.

On round the coast a little, past the one-time tourist resort of Cliff House, is Ocean Beach: a mile-long stretch of beach on the Pacific coast, busy with beachgoers, sunbathers, surfers, and many others. On this unseasonably warm Tuesday, all the locals were out enjoying some September sunshine.

After an hour and a half meandering round the coast, about 6pm I caught the Muni Metro N line from near the beach, at Judah and 47th, to Civic Center. The Muni Metro is what we would probably call a tram, though in this case it was more like two trams coupled together. Fortunately I was travelling against the peak flow, since the trams in the other direction were full and standing; as it was I was seated comfortably the whole way back to the apartment.

While in the city centre the trams runs underground, like a subway, and the doors have level access to platforms in dedicated underground station. On the surface, though, it runs more like a bus, with the major stops having dedicated wheelchair access ramps, but most being just like bus stops (and sometimes used by buses too); the flat access to the platforms recedes to form a set of steps down to ground level to get on and off the tram.

After getting back to the apartment, we headed for dinner with one of Charlie's friends from Cambridge, Sam, to Bossa Nova, a Brazilian place on 8th Street near the intersection with Mission. We ate tapas-style, all sharing a bunch of really interesting plates of food. I retired quite early, ready for my last full day in San Francisco.

Wednesday, 21 September 2011

California, Day 3

The thing I love about flying west is it makes getting up relatively early in the morning wonderfully easy: this Monday morning I woke up effortlessly at 8am after a good night's sleep. After a shower and some blog-writing, I headed out about 11am for a tour of San Francisco's parks.

After grabbing some lunch to take with me, I walked to Powell Street to catch another cable car, this time down Powell and Hyde Streets to Fort Mason. Yesterday, however, I'd caught the cable car from its third stop; today I was getting on at the terminus and boy, was there a queue.

I queued for a full half-hour, but it was worth the wait; the ride up and down the hills was even more spectacular than yesterday; this time, rather than hanging off the side, I was inside the car right at the back, so I had a pretty good view, but I could still brace and take photographs without fear of falling off.

I arrived on the north waterfront at the west end of Fisherman's Wharf, and headed for Fort Mason, a former US military base turned into parkland sitting right on the shoreline, with great views out into the bay. I walked to the end of the municipal pier, from where you could see Alcatraz and the Golden Gate Bridge.

I walked up the hill to the upper part of Fort Mason and sat on the grass under the shade of a palm tree eating my lunch. By now it was getting pretty hot, but being on the Pacific side of the hills of San Francisco made it a little fresher and just right, rather than overbearingly hot.

After lunch, I wandered down to Lower Fort Mason, once a military installation but now used by theatres, charities and various non-profit organisations. I caught a #28 bus from there to the Golden Gate Bridge toll plaza.

The Golden Gate Bridge connects San Francisco to the peninsula of Marin County to the north; the two peninsulas come within just two miles of each other and form the Golden Gate, the entrance to one of the world's greatest natural harbours.

In 1937, after four years construction and nearly a hundred years since the idea was first suggested, a suspension bridge connected the two peninsulas for the first time. It was originally painted first with an orange undercoat, and was to be finished in the usual grey colour; but the residents of San Francisco so liked the orange that they lobbied the builders to keep it that way; and so the bridge remains in International Orange.

On a clear day, the bridge is reportedly breathtaking. Today, however, the only breathtaking thing was the wind and the fog: at the toll plaza (on the San Francisco side) there was perhaps 100m visibility.

More annoyingly, part of the footpath for pedestrians was closed, so I couldn't walk across to the other side. I hesitated about bothering to walk on it at all, such was my pessimism at seeing anything, but eventually I decided I should at least step out onto it.

As I walked out onto the bridge, I noticed I could see a little further, and then when I got on a little further I could see even further still... Soon the fog was not at bridge height, but rather below the bridge. Gradually as I walked further and further I found myself discovering previously unseen views.

Indeed, by the time I got to the first tower of the bridge, I could see most of San Francisco and the bay, except of course looking back along the bridge towards the toll plaza I couldn't see a thing. What was most unnerving, though, was hearing boats below us, sounding their foghorns, which were completely invisible.

The fog was truly incredible - though perfectly normal for the Golden Gate, even in the fine weather we had - and actually it added to the views; if I'd seen it all at once it wouldn't have been nearly as wonderful a walk of discovery across the bridge in the fog.

After nearly an hour on and around the bridge, I decided to forgo the walk down to Fort Point, under the bridge, since it was completely shrouded in fog. Instead, I caught the #28 bus from Golden Gate Bridge to Golden Gate Park.

Golden Gate Park, planned and planted long before the housing that now surrounds it on three sides (the Pacific being the fourth side) is San Francisco's lungs: over 1500 acres of parkland nestled right in the city provide a getaway for locals and tourists alike. I entered in the middle of the park and headed east, past Strawberry Hill and Stow Lake.

Because the park was planned, it incorporates a number of museums, gardens and memorials that in any European city would be dotted around the place and never seen unless you made the effort to go. One of the most popular attractions is the Japanese tea garden, but since I don't drink tea I decided to save the $7 and look elsewhere.

Nearby is the Music Concourse, an arena dotted with trees and flanked by the two most important buildings in the park: the M. H. de Young Museum, a major art museum, and the California Academy of Science, the state's science museum. Both are housed in beautiful buildings, but both were closed on Mondays.

Instead, I simply sat and let the world go by: the Spreckel Temple of Music provides the stage for this vast arena, and even without any musicians it is a sight to behold. I enjoyed an ice cream while watching locals cycling and skateboarding, as well as fellow tourists admiring the architecture.

Eventually, I wandered on: I passed some baseball fields, from where one could clearly see the juxtaposition of green space and city buildings, and the use to which the locals put the space. This is a living, breathing park which is used by all ages.

I came across the National AIDS Memorial Grove, the first national memorial to the victims of AIDS. The sheer number of names carved in the stone goes to show just how many people have been touched by this horrible disease.

Finally, I found myself outside the Conservatory of Flowers, a San Franciscan Kew Gardens, with an explosion of colour in the grounds outside making for a wonderful feast for the eyes while I sat and relaxed.

Eventually, I headed out of the park and caught the #71 bus from Haight and Stanyan to Market and 7th St, from where I walked back to the apartment. For dinner we headed out to a local Italian place, la Briciola, which had good food and good wine, before eventually retiring for a good night's sleep.

Monday, 19 September 2011

California, Day 2

After a long night's sleep, my first full day in San Francisco started with something I've never done before: breakfast on the patio. San Francisco is currently in the middle of an Indian summer, with temperatures peaking today at a very pleasant 23C.

After a relaxed morning, I headed out about lunchtime to explore the city. I walked the two blocks to the city's main artery: Market Street.

San Francisco has a crazy mixture of grids and ad hoc roads: a grid aligned north-south and east-west extends from the northern waterfront as far south as Market Street, which is aligned northeast-southwest. South of Market Street, another grid aligned perpendicular and parallel to Market Street exists, which doesn't align much with the other grid and makes crossing Market Street by car rather difficult.

Travelling along Market Street, on the other hand, is easy, with a huge variety of on-street trams and buses, as well as two underground railway systems. What's more, all buses, trams, cable cars, and the main underground network are integrated under the San Francisco Municipal Transport Authority, universally known as Muni.

My first port of call was to Hallidie Place, at the intersection of Market and Powell, to use the main tourist information centre. I bought a map of all the transportation routes - the network is pretty complex and changes fairly frequently - as well as a seven-day pass for the whole Muni network, at a cost of $27, which is very good value - for comparison a seven-day  for just zone 1 in London is £27.60.

From there I grabbed some lunch in Subway off Powell and wandered to the nearby Union Square, which probably has the best claim to be the centre of San Francisco: it's an oasis of open space in an otherwise crowded downtown area. I sat in the shade and ate my lunch, watching all manner of locals and tourists go by.

After lunch, I caught one of San Francisco's historic cable cars. San Francisco is home to the only remaining cable car system in the world, where (unlike a funicular railway) the cable cars move by "gripping" a cable in the ground between the two rails, which moves at a constant speed of 9.5mph.

I caught the Powell-Mason line from Union Square as far as the intersection of Mason and Greenwich. I was standing on the outside of the car, holding on to the handrail. It was an exhilarating and novel way to ride around the city, and was much easier than walking for tackling San Francisco's most notable attribute: hills. 

To compare San Francisco to another hilly city I've visited recently, Edinburgh has hills which interrupt the urban sprawl of the city, with the Mound, Calton Hill and Arthur's Seat all jutting up and all unspoilt by modern buildings. San Francisco, by contrast, has for the most part extended right over the hills, and to maintain the grid some of the streets have almost impossibly steep gradients, to the point that some even have steps for pedestrians.

I discovered this for myself after the cable car ride. I was heading for Coit Tower, which sits atop Telegraph Hill, and provides wonderful 360-degree vistas. However, being at the top of a hill, it requires a certain amount of effort to get up there. I had hoped to get a #39 bus up to the top, but it wasn't running this Sunday due to a special event in the area.

I was thus faced with the long walk up the hill. As well as some pretty hilly bits of road (which make many cities in the UK seem positively flat), there were over 100 steps up Filbert Street. After a few minutes, though I made it to the base of the tower.

Even from the base of Coit Tower, the views are pretty spectacular. Once you ride the lift (sorry, the elevator) to the top, however, you are rewarded with just about the best view of San Francisco and the bay area; well worth the $7 for the lift.

To the south is downtown San Francisco, and to the west are the hills of the North Beach suburb. To the north-west is San Francisco's most-photographed sight: the Golden Gate Bridge. Connecting San Francisco to neighbouring Marin County, it forms a vital transport link that saves a very long detour.

To the north, in the bay, you can see the bleak former prison island of Alcatraz, now a well-trodden museum (which I intend to visit later in the week). To the east you can see the Bay Bridge, a double-deck road bridge much less photographed than the Golden Gate bridge but much more important and much busier.

After a good few photos from the small top of Coit Tower, I got the elevator back down to ground level and had an ice-cream while admiring the only slightly less spectacular views from the base of the tower.

I then headed down to the Embarcadero, the eastern waterfront of San Francisco. To get down to sea level, I followed Greenwich Street which, due to the hills, was no longer a road but a long set of steps with pedestrian access to some of the most impossibly-placed houses in the city. After no fewer than 398 steps, I was back at sea level - I'm glad I was going down, not up!

I caught the F streetcar (tram) line round to the Waterfront Park area of Fisherman's Wharf, which was thronging with tourists. I wandered around a little, but decided the area was best experienced when it was a bit quieter, and headed back on the F line to Ferry Plaza.

The Ferry Building stands at the north-east end of Market Street and marks the focal point of the old waterfront: before the Bay Bridge was built, there were nearly as many commuters between San Francisco and Oakland who used the ferries.

Nowadays, with Oakland being the main port for cargo in the area, San Francisco's eastern waterfront is used mainly by ferries offering cruises around the bay, including to the Golden Gate and to Alcatraz.

Until the earthquake of 1989, however, a freeway ran over the Embarcadero, which runs along the waterfront, which was originally going to connect the Golden Gate Bridge to the Bay Bridge; it was never completed, but the sections that were built were well-used until the 1989 earthquake damaged the Embarcadero section.

Pressure had been growing to demolish the freeway even before the earthquake, and the opportunity was taken to demolish the freeway and restore the waterfront to it's rightful glory. The Ferry Building now takes pride of place in a modern, vibrant waterfront.

Just to the south lies the Bay Bridge, completed six months earlier than the Golden Gate Bridge and now carrying over double the traffic. It connects San Francisco to Oakland, across the bay, via Yerba Buena Island. Given the population in both cities and the volume of traffic using the bridge, it's no wonder that it's been nicknamed the car-strangled spanner.

Its lower deck was originally dedicated to trains and trucks, with the upper deck for cars, but in 1963 the decks were reconfigured with five lanes on each deck, one for eastbound traffic and one for westbound.

The section east of Yerba Buena Island is a steel truss construction, though it is currently being replaced with a suspension bridge to prevent a repeat of the partial collapses suffered in the 1989 earthquake. The section west of Yerba Buena Island, however, is a two-span suspension bridge which was retrofitted immediately after the earthquake. It makes for a decent photo backdrop while at the waterfront.

A short walk away is the San Francisco Railway Museum. Unlike the other Muni rail lines, the F line which runs along the waterfront and down Market Street runs preserved tram cars from all over the world, which were saved and lovingly restored by "a bunch of rail nerds" (the proprietor's words), before being handed over to Muni for use in service.

The museum shows all 50 preserved tram cars: every day a selection of 20 cars are used in service. On my three journeys on the F line today I rode two from Milan, Italy, and one from Philadelphia that had been painted to honour the Boston Elevated Railway. 

I bought a t-shirt and a couple of postcards in the museum, which in spite of its size was really interesting, and the proprietor was really nice and talkative (though I guess when you're self-employed and running a museum it's probably a good idea to entertain your customers as much as possible).

After that, I caught my third and final F line streetcar of the day and headed back to the apartment, where we had some dinner and again retired for a fairly early night.