Portal:Trains/Selected picture/Week 33, 2009

Transferring the signal token

A train crew exchanges block occupancy tokens at a junction on the Conwy Valley Line in north Wales. Possession of the token authorizes the train to enter the next section of track and ensures that no other train is operating in that section to prevent collisions.

Recently selected: Norfolk & Western 1218 - Meitetsu 7000 series - Soviet postage stamp with VL80 locomotives