Doors on BART trains in the San Francisco area do *not* automatically open when 
something is in them.

It's normally possible to use force to shove the doors open again.

But it might be possible for the door to "latch" with something thin in it 
(e.g. child's wrist possible?), and the train to head off into the Transbay 
Tube at 80 mph.

Now supposedly the train operator sights along the outside of the train to make 
sure it's clear before letting the computer drive the train out of the station. 
But...

Let's not think about that too much.
:-(

Speaking of malfunctions, when BART first started running 30 years ago, there 
were problems with the door controls. Sometimes trains would be doing 70 to 80 
mph down the main line, and doors would start opening and closing. Oy.

-Ben

> They made mention of an elevator malfunction.
> ;-)
> 
> -Gel
> 
> 
> -----Original Message-----
> From: Ben Densmore [mailto:[EMAIL PROTECTED] 
> 
> I heard about this yesterday. But how is that possible?
> 
> I thought elevator doors had sensors on them that make the doors pop
> back open if they hit something.
> 
>  And I also thought an elevator wouldn't move until the doors were shut
> completely. There is no way the doors were able to close all the way
> with him pinned in the doors.
> 
> Ben
> 
> 
> 
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