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London Transport (uk.transport.london) Discussion of all forms of transport in London. |
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£1 flat fare tube
Because some New York lines have four tracks (for fast/slow trains) of
which one pair can be used for all services at night. So theoretically engineering on Finchley Road - Wembley Park or Barons Court - Acton Town needn't close the line (although I'm sure the HSE would disagree). You'll find only the 4 track lines continue to run 7 days a week, 24 hours a day. The lines with only 2 tracks are shut at times for engineering works and bus replacement services are offered. Aren't the 4 track lines more separated than LUL / NR in most places, thus not having the engineering staff subject to be hit by moving trains? No, they are all scheduled to run 24/7: http://www.mta.nyc.ny.us/nyct/service/schemain.htm There is no regular downtime planned into the schedules, even for 2 track lines, like the L, the Manhattan part of the 7, the M North of Broadway/Myrtle, or the J/Z in Queens. If you'd got the impression that 2 track lines are closed a lot, it would be because the L train is currently being upgraded to use CBTC. Of course it does happen that the 2 track sections tend to get closed. A Passenger Service Advisory is then posted - this certainly doesn't happen every night or indeed every weekend. Of course there are also a lot of 3-track sections (mostly Els, but also the Concourse Line), the middle track of which can be used for peak direction express (like on the 6 in the Bronx or the 7 in Queens) as well as providing a way of keeping service running whilst MOW are on the tracks. The only one which really doesn't get much use is the West End express track (D train in Brooklyn) - the trains tend to be sent over the Sea Beach (N) Line in one direction. As far as separation between tracks goes, it's very variable. There are sections with curtain walls, others with columns. There are of course areas with lots of clearance and others with very little. |
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