Automatic Train Control.

Great improvements have been made in recent years in automatic train control systems. In this effort, the Great Western is a pioneer among Home railways. Automatic control is already in operation on some 2,600 miles of track between London and Plymouth, and London and the Midlands, and extensions of the system are now in hand. On completion of these works, the whole of the company's 2,840 miles of trunk routes between London, Penzance, Fishguard and Chester will be equipped. So, too, will the 2,900 locomotives running over these routes. The G. W. automatic train control system was invented by members of the company's staff. The arrangement enables an engine-driver to receive an audible warning in his cab as to the position of each “caution” signal. If the line is clear, a bell rings by the driver's side. If not clear, and the signal is at “caution,” a siren blows and the brakes are automatically applied throughout the train. The device is operated by the signalman, who sends his sound message to the engineer via an electric wire connected to an iron ramp placed between the running lines near each “caution” signal; and an iron shoe, shaped like an inverted “T,” fitted under the engine so as to make contact with every ramp.

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G.W.R.Paddington to Birkenhead Express. (Locomotive “King Henry V.)