English Dictionary

signal check

noun

(rail transport) An instance where a train must stop at a red signal, or slow down before passing a signal displaying a yellow aspect.

I need to do a signal check before we start the presentation.

意味（1）

(rail transport) An instance where a train must stop at a red signal, or slow down before passing a signal displaying a yellow aspect.

Of the failures to do so on the 23 other occasions, six only were attributed to the performance of the locomotives and the remainder to signal checks and permanent way cautions, particularly in the week following a parcels train derailment at Northallerton.