Track Warrant
Track warrants are systematized permissions used on some railroad lines to authorize a train's use of the main line. Dispatchers issue these permissions to train crews instead of using signals. The crews receive track warrants by radio, phone, or electronic transmission from a dispatcher.
Read more about Track Warrant: Operation, Standard Instructions Used in Track Warrants, Use of Track Warrants On Specific Railroads
Famous quotes containing the words track and/or warrant:
“Anyone who tries to keep track of what is happening in China is going to end up by wearing all the skin of his left ear from twirling around on it.”
—Robert Benchley (1889–1945)
“Sometimes, when I compare myself with other men, it seems as if I were more favored by the gods than they, beyond any deserts that I am conscious of; as if I had a warrant and surety at their hands which my fellows have not, and were especially guided and guarded. I do not flatter myself, but if it be possible they flatter me.”
—Henry David Thoreau (1817–1862)