please empty your brain below

Station lengthening work has been in progress for over a year on SouthWest train stations on services out of Waterloo, as they intend to replace the 8 car trains with, I think, 10 car. They will also be using selective door opening as some platforms could not lengthened without major work.
A good incisive post.

There were plans to lengthen the H&C/circle platforms at Baker Street. The fact that this is a listed station is not a showstopper. These plans were abandoned because they were horrifically expensive for what they achieved.
"at the precise moment that the door doesn't open"

Interesting philosophical point. What is this moment? I think you may have meant "at the precise moment when passengers expect the door to open", or "at the precise moment when the other (distant) doors open"
I had always wondered what these panels were for!

They were in the first Met line S stock trains too, but had been removed (or covered over?) in the S stock Met train I travelled in yesterday.

Trust dg to uncover the mystery. :-)
In rush hour it's almost impossible to move back along the train to a door that does open, if you are a tourist with luggage who doesn't know what's going on.
Found myself on two S7's this evening...

Between Hammersmith and Paddington, all carriages and doors fit in just fine thanks, the platforms at all stations have been extended where they needed to be. So much so that 'C' stock trains now leave a gap behind them.

At Edgware Road eastbound - My! - they fit *but only just*, like - there's inches in it on the last door going eastbound.

Going eastbound at Baker Street NONE of the last 3 doors (whole carriage) open, and ditto going westbound - none of the rear carriage.

Every station down to Liverpool Street is fine both ways - they must be because the Met S8 trains and previous A stock were are/already 8 cars.

The fun's going to come when the bring them into Bayswater/Notting Hill Gate and High Street Ken - places that really can't be extended.

dg writes: Thanks Geoff, I've added your Baker Street information to the list at the bottom of the post.
I believe the problem is that there is only a limited input between the CIS and the door locking/interlocking system...

...so to say the announcements could be doing something completely different to the doors, as the doors is a safety critical function... and making announcements that people aren't listening to isn't ;)

This also means the train does not know where it will stop next until it stops over the CSDE loop at the platform (Correct Side Door Enable, tells the train where it is and how many doors to open on which side of the train) and for some stations this could be different for different platforms, e.g. if terminating at Baker Street is the train going to terminate in the short Circle platform or one of the through Met platforms? If the system guesses wrong people will end up in a tunnel, confused by doors not opening or confused by announcements then being contradicted when the train arrives!
I'm not sure it wold be feasible to provide a list of stations at which the doors will cut out, because trains can be driven from either end. So the signage would have to be pretty detailed and read something like:

'When this carriage is at the front of the train the doors will not open at the following stations...
Whereas when this carriage is at the back of the train the doors will not open at...'

By the time you'd got through all that and worked out which end of the train you were, it'd be too late. And it would still be no use to non-English speakers.

I agree that the illuminated signs should light up in advance though...
I was going to suggest that the stations with non-opening doors be shown on the tube map. But then I thought again.










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