A quadruple track railway (also known as a four-track railway) is a railway line consisting of four parallel tracks, with two tracks used in each direction. Quadruple track railways can handle large amounts of traffic, and so are used on very busy routes.
Some tracks are only tripled, having only one extra track to relieve congestion, while some tracks are sextupled, i.e., six parallel tracks with three tracks in each direction.
Read more about Quadruple Track: Advantages of Quadruple Track, Disadvantages of Quadruple Track, Quadruple Track Operation, Quadruple Track Layouts, Gallery
Famous quotes containing the word track:
“Our achievements speak for themselves. What we have to keep track of are our failures, discouragements, and doubts. We tend to forget the past difficulties, the many false starts, and the painful groping. We see our past achievements as the end result of a clean forward thrust, and our present difficulties as signs of decline and decay.”
—Eric Hoffer (1902–1983)