These trains usually ran at night .
The young Awdry could hear trains from his bed , listening to the coded whistle signals between the train engine and the banker as well as the sharp bark from the locomotive exhausts as they fought their way up the incline .
These trains usually ran at night and the young Awdry could hear them from his bed , listening to the coded whistle signals between the train engine and the banker as well as the sharp bark from the locomotive exhausts as they fought their way up the incline .