A track circuit is a simple electrical device used to detect the absence of a train on rail tracks, used to inform signallers and control relevant signals.
Read more about Track Circuit: Principles and Operation, Transmission of Status, Siding Turnout, Track Circuit Clips, History
Famous quotes containing the words track and/or circuit:
“The war is dreadful. It is the business of the artist to follow it home to the heart of the individual fightersnot to talk in armies and nations and numbersbut to track it home.”
—D.H. (David Herbert)
“The Father and His angelic hierarchy
That made the magnitude and glory there
Stood in the circuit of a needles eye.”
—William Butler Yeats (18651939)