The video is from 1988 (good find!), but the only accidents ever to have occurred were under manual override.
The Copenhagen Metro is an example of a level 4 underground system. It's fairly new, so the tunnels all have an adjacent walkway which can be used in an emergency.
The video is from 1988 (good find!), but the only accidents ever to have occurred were under manual override.
The Copenhagen Metro is an example of a level 4 underground system. It's fairly new, so the tunnels all have an adjacent walkway which can be used in an emergency.
https://en.wikipedia.org/wiki/Docklands_Light_Railway#Accide...