Rail turnout  Turnout is a connection equipment from one railway into another tracks railway. Usually there are a large number of laying at the station, marshalling station . With turnout, can give full play to the line through capacity, even single-track railway, the laying of turnout, the construction period is greater than the length of the train cross the line, then run from opposite directions.  There are three basic forms of turnout: the line is connected, cross-connect and cross combination. Common line connected to various types of single and duplex turnout turnout; cross straight cross and diamond cross; cross combinations are connected to slip turnout and crossover like.