On Wed, 29 Apr 2015 09:26:46 +0000 (UTC)
Recliner wrote:
wrote:
Besides, I've been on a DLR train that did an emergency stop - presumably
when it lost its control signal - and took no time at all.

How far did it travel? Probably more than a few meters.

Don't know. But it stopped in a lot less than the 12 seconds that would have
been required to prevent that poor girl being run over.

--
Spud