On Wed, 24 Jun 2020 10:43:25 +0000 (UTC), wrote:

Don't know if this has already been posted:

https://www.dailymail.co.uk/news/art...nched-commuter
-train-going-wrong-way-London-Tube-line-nearly-crashes.html

How on earth can this happen? Surely the chiltern driver knew what side of the
line he was on? And why didn't the tripcocks work or have they been removed
from that section of line now?

A lot of interesting history of the line at
http://www.metroland.org.uk/cheshamflyer/

Guy Gorton