cab signalling

cab signalling (uncountable)

1. (rail transport, British spelling) A rail safety system installed in the driving cab of a train, which gives information to the train driver on track status and condition.
   • 1941 April, “Centenary of the Semaphore Signal”, in Railway Magazine, page 171:

     Now, a century later, semaphores and discs are giving place to colour and position lights. What will be the fashion in 2041? Universal continuous cab signalling?

   • 2019 October, William Barter, “West Coast capacity study”, in Modern Railways, page 66:

     It's easy enough to calculate that even at higher speeds - 360 km/h to pluck a figure out of the air - the signalling headway can be as low as 120 seconds given the benefit that follows from cab signalling such as European Train Control System (ECTS) Level 2.

• cab signaling (American spelling)

• cab signal