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Old July 13th, 2005, 02:41 AM   #21
Chavito
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In Mexico

All lines AL
(They tried the B system in Line B, but people did not like it)
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Old July 13th, 2005, 03:20 AM   #22
hgark
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in Buenos Aires

DL in the A line (the oldest) and AL in the rest
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Old July 13th, 2005, 03:52 AM   #23
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If it's DL, is it also possible to close the doors manually (DN)?
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Old July 13th, 2005, 05:32 AM   #24
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Quote:
Originally Posted by micro
If it's DL, is it also possible to close the doors manually (DN)?

if you want to, yes. The door close automatically with the movement of the train
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Old July 13th, 2005, 10:17 AM   #25
Mojito
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In Amsterdam: AL and BL.

It depends on the train driver.

During peak hours, many train drivers choose to open all doors automatically. During off-peak hours, many of them leave it up to the passengers. For the surface stations, it also depends on the season: during cold winter days, they choose often B, during hot summer days it is often A.

It's never clear. Sometimes I wait and have to push the button, sometimes I stretch my arm to push the button and it opens automatically.

From what I have experienced, the same can be said about Rotterdam.
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Old July 13th, 2005, 10:58 AM   #26
plotstyle
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Quote:
Originally Posted by ignoramus
No. Doors open & close automatically after like say 10 seconds at station A, and perhaps 20 seconds at station D. This is determined by a central computer which pre programmes the trains... There is no opening and closing done by the train operator or the passengers.
great... this is a recipe for disastor...
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Old July 13th, 2005, 01:12 PM   #27
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I'm pretty sure they'd put a motion sensor in the door anyway - I know for the trains here if you put your arm through the doorway as the door starts to beep (or even while it closes) to warn you that it is closing, the doors will open themselves again, and if you're lucky you might get told over the PA to stop blocking the door as well.
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Old July 13th, 2005, 07:08 PM   #28
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Quote:
Originally Posted by plotstyle
great... this is a recipe for disastor...
Not really. The timings are adjusted according to ridership figures at a particular station, so the timings are usually long enough to prevent any disaster from happening...(passengers will have more than enough time to get in and out).

Furthermore, even if someone gets caught, the doors have sensors which, while closing, if they encounter an object in between, they will release (though not reopen fully) 10cm or so in each direction to allow the obstruction to be removed...
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Old July 13th, 2005, 09:16 PM   #29
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Quote:
Originally Posted by ignoramus
Not really. The timings are adjusted according to ridership figures at a particular station, so the timings are usually long enough to prevent any disaster from happening...(passengers will have more than enough time to get in and out).
What happens if an unusual amount of passengers enter a station, say, after a theatre or sports event has ended? Do the passengers have to wait an eternity and see all the trains depart nearly empty or will the MTR staff intervene in some way?
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Old July 14th, 2005, 07:23 AM   #30
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Quote:
Originally Posted by micro
What happens if an unusual amount of passengers enter a station, say, after a theatre or sports event has ended? Do the passengers have to wait an eternity and see all the trains depart nearly empty or will the MTR staff intervene in some way?
No theatre or sports stadium has direct access to a rail station here so it is almost impossible for such unusually high numbers to enter a rail station. The only time there are large commuter numbers are during like festivals or street parades and at this time, the trains are already programmed to stop for longer periods of time at each station concerned. By the time the train has to leave, it would have already reached its capacity. So no trains will be running empty or even run 10 percent empty. Its MRT staff, not MTR.

However, this programmed closing and opening of doors only apply on the North East Line which is driverless. the other 2 heavy rail lines here still have drivers opening and closing doors, taking note that no passenger is still entering when he is about to close the doors.
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Old July 14th, 2005, 07:35 AM   #31
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Vancouver's Skytrain is fully-automated, but there are chimes before the doors close to warn passengers to stand clear. I believe there are sensors installed on the doors because the length of time between the doors opening and closing varies from station to station.
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Old July 14th, 2005, 07:52 AM   #32
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Toronto's TTC Subway: AL
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Old July 14th, 2005, 09:06 AM   #33
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San Diego LRT - AL, BM
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Old July 14th, 2005, 10:55 PM   #34
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..

Last edited by micro; July 14th, 2005 at 11:01 PM. Reason: double posting
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Old July 14th, 2005, 10:55 PM   #35
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Quote:
Originally Posted by ignoramus
However, this programmed closing and opening of doors only apply on the North East Line which is driverless. the other 2 heavy rail lines here still have drivers opening and closing doors, taking note that no passenger is still entering when he is about to close the doors.
I forgot that you mentioned earlier that it only concerns the driverless line
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Old July 17th, 2005, 10:44 PM   #36
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New York is old and rickety. AL.
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