No.18 Single Turnout with 60kg/m Rails. Respectively apply to 250km/h and 350km/h passenger dedicated lines. Switch section adopts 60AT2 elastic flexible switch rail with hidden-type point. Three traction points are set for switch rail. The frog is movable point rail frog adopting bolted rigid type with two traction points. Point rail is made of 60AT2 rail; wing rail is made of 60TY rail. The gradient of 1:40 is applied to the track top or bottom of the turnout. Rail fastenings are adopted to type II elastic rail fastenings which are separated and adjustable.
4、Radius of Curve：1100m
5、Permission Passing Speed on straight line：Passenger Trains≤350km/hor Passenger Trains≤250km/h