1, time limit:
From Monday to Friday, from 7: 00 am to 9: 00 am and from 5: 00 pm to 7: 00 pm, the roads within the first ring road in Chengdu.
24 hours a day, trucks with national emission standards III and below are prohibited from entering the area within Chengdu Ring Expressway (G4202, excluding).
2. Restricted area:
Roads within the first ring road.
The area within Chengdu Ring Expressway (G4202, excluding).