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Post by Deleted on Feb 28, 2010 23:19:49 GMT
One feature of the 3-car scheme I had not really taken in before is the new stopping positions, which take 2-car trains beyond the sensible stopping position in a platform.
For example, at Canning Town westbound the trains, still entirely 2-car here of course, now stop so far forward that the rear of the train is only level with the forward escalator down to the Jubilee, which thereby gets overcrowded, while the other escalator rumbles on empty, well to the rear of the train.
Meanwhile those passengers who have come up that escalator and then wait by it are now having to run forward, the train stopping far down the platform, which leads to delays at the last doors while everyone queues to get in.
Can the automatic control system not handle separate stopping positions for trains of different length?
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Post by astock5000 on Feb 28, 2010 23:37:33 GMT
Can the automatic control system not handle separate stopping positions for trains of different length? It can have different stopping positions: i293.photobucket.com/albums/mm67/astock5000/DLR/IMG_7328.jpgIn this photo, you can see a stopping board on the track at South Quay for 1 & 2 car trains. Also, at Cutty Sark, 3-car trains stop half half a units length past the station, and use SDO. 2-car trains still stop normally at the station.
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Post by madonion on Mar 1, 2010 21:29:17 GMT
So it's clearly possible but they've clearly chosen to not do it on the London City Airport branch. The stopping points have been moved forward in some platforms including the airport. It's not particularly convinient, is it an issue of increased cost or maintenance? Also, I wonder why they did it so early I guess just to reduce the weekend closures.
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Post by astock5000 on Mar 1, 2010 22:48:37 GMT
Also, I wonder why they did it so early I guess just to reduce the weekend closures. Could it also be so that a 3-car train on the Bank - Lewisham route can be diverted to Woolwich?
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Chris M
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Post by Chris M on Mar 2, 2010 10:04:18 GMT
Also, I wonder why they did it so early I guess just to reduce the weekend closures. Would it need weekend closures? If the stopping point locations are known (and they must be) I'd have though that would just need programming in? Could it also be so that a 3-car train on the Bank - Lewisham route can be diverted to Woolwich? But if the 2 and 3 car units are using different stopping marks at Cutty Sark, why would this matter?
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