Railway tracks, such as Rails, rails, tracks, etc., mainly used in railway, and with the switch to cooperate, so that the train can walk without turning.
Railway track usually consists of two parallel rails, rails fixed on the sleeper, under the sleeper for ballast. By rail support, Fastener, ballast, road splint, Bullet bar, railway spike and other railway accessories fastening.
Rail rails, made of steel, can bear a greater weight than other materials. Sleeper also known as sleeper, gray pillow, or road pillow, the function is the weight of the rail and the pressure of the rails dispersed, and maintain a fixed gauge, maintain track gauge. Originally is sleepers, now is the concrete pillow.