On Sat, 08 May 2021 10:40:53 +0100
Charles Ellson wrote:
On Sat, 8 May 2021 09:15:17 +0000 (UTC),
wrote:

On Fri, 07 May 2021 23:35:23 +0100
Charles Ellson wrote:
On Wed, 5 May 2021 08:32:03 +0000 (UTC),
wrote:
The doors are meant to be a safety feature. I'm not sure a safety feature
that

led to even more crush loading in a station would be signed off. In case
you hadn't noticed all the JLE stations have huge platform areas.

Platform doors on the Underground are part of the environmental
control of more recent tube sections; increased safety is a secondary

Rubbish.

Rubbish yourself.
"one of the main reasons (and justifications) for having
PEDs is for ventilation although of course they do have the obvious
benefit of preventing people from falling onto the track."
https://www.whatdotheyknow.com/reque...m_screen_doors

No idea what that site is , but clearly neither them nor you have ever
been on the tube. The piston effect of the train pulling and pushing air
through the tunnel provides plenty of ventilation into the station. In fact
the doors actually prevent a lot of that leaving some station platforms
uncomfortable on hot days IME when I worked at Canary Wharf particularly
London Bridge.