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Post by sawb on Mar 30, 2014 9:32:23 GMT
Next weekend, the Central line will be suspended between Liverpool Street and Marble Arch.
1) What is the planned service level east of Liverpool Street/west of Marble Arch?
2) I know how trains reverse east to west at Liverpool Street, but how can they be reversed west to east?
3) I know how trains reverse west to east at Marble Arch, but how will they reverse east to west?
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Post by superteacher on Mar 30, 2014 11:08:42 GMT
Liverpool Street - train arrives in westbound platform, de trains, driver changes ends then train goes into siding. Train leaves siding to go into the eastbound platform, driver changes ends then drives the train eastbound as usual.
For Marble Arch see above, but substitute eastbound for westbound and vice versa.
Furthermore, at Liverpool Street, it is also possible to reverse west to east via the crossover to the west of the station. For this move, detrain in westbound platform then
proceed over westbound line to limit of shunt mark. Then, change ends and drive over crossover into eastbound platform.
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Post by Deleted on Mar 30, 2014 12:50:00 GMT
The "limit of shunt" board in the WB tunnel at Liverpool Street is easy to miss, its on the right where all the others are on the left. A few years ago we had a similar shutdown and one TOp didn't stop until they got to Bank.
The TOp doesn't change ends, what happens is another TOp gets on the back and takes it into the sidings. The original TOp takes it out onto the EB platform then gets off, the TOp who got on takes it east, the original TOp goes to the WB platform and gets on the back of another train. The same thing at Marble Arch with EB/WB switched.
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Post by Dstock7080 on Mar 30, 2014 13:04:06 GMT
Next weekend, the Central line will be suspended between Liverpool Street and Marble Arch. 1) What is the planned service level east of Liverpool Street/west of Marble Arch? Liverpool Street-Epping every 10mins Liverpool Street-Hainualt every 10mins, with every other train to/from Woodford (20mins). Marble Arch-West Ruislip every 10mins Marble Arch-Ealing Broadway every 10mins. (even 5min frequency Marble Arch-North Acton) |
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Post by su31 on Mar 30, 2014 22:22:34 GMT
Next weekend, the Central line will be suspended between Liverpool Street and Marble Arch. 1) What is the planned service level east of Liverpool Street/west of Marble Arch? 3) I know how trains reverse west to east at Marble Arch, but how will they reverse east to west? 1) West of Marble Arch, a 5 minute service will operate (split between Ealing Broadway and West Ruislip) 3) At Marble Arch, to speed up the process, a spare Train Op will get in the back of the Eastbound train, "drive" into the sidings and the Train Op in the West end cab can bring it back out onto the Westbound platform. They then get out, leaving the train to continue Westbound. The Train Op that got out goes back to the Eastbound platform and performs the same move on the next train, taking it on its Westbound journey. This is also referred to as "stepping back". |
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