Turnout, also called railway switch, is a connection equipment from one railway to another railway. Usually there are a large number of rail lines at the marshalling station. With turnout, even single-track railway, two trains could run from opposite directions through construction of an out-section line which is longer than train, railway line can fully function to its limitation.
A single turnout usually consists of a frog, a switch, two switch points, two guard rails, straight and curved closure rails, stock rails and switch stand.
Type: Single turnout, symmetrical turnout, three-way turnout, crossing crosses turnoutetc.