Xiyu Highway, located in ShaanXi Province in China, is not fully used, while vehicles congest on its substitutional road, as a result of the not-so-rational toll rate.

• 西禹高速公路,实行收费制度,是陕西省的米字形交通主干道,但车辆通行率却非常低,存在闲置浪费现象,而在其替代道路上由于收费较低却车辆拥堵,究其原因是公路收费标准不尽合理。