[Mr K]

Originally Posted by denphone

This is one of the devices that are put into some of our trains Mr K.

https://en.wikipedia.org/wiki/Automa...ain_protection

Don't think they've got it on my archaic line. The diesel trains are circa 1970, a stretch of single track line is still kept safe by drivers manually exchanging a token (which involves us watching them have a 10 minute cup of tea and a chat...)