Cheng Kun Expressway is not in the restricted area at the end of the working day, and all vehicles can pass without restriction. As long as it does not enter the third ring road (including), it is not limited. Chengdu automobile number limit time: from February 19, 2023, 7: 30-20: 00 on working days (excluding holidays). Restricted area: all roads within Chengdu Ring Expressway (G4202) (excluding). Vehicles with restricted tail numbers: all "Chuan A", "Chuan G" and small and micro passenger cars from other places.