The traffic police detachment has designated the areas west of Sun Valley Avenue (excluding), east of Commercial Avenue (excluding), south of Daxue Road (excluding) and north of Xinhe Road (excluding) as "yellow-label vehicles" no-go areas, and is currently preparing to install no-go signs. At that time, the traffic police will persuade the "yellow label car" driving into the no-go zone; At the same time, duty stations will be set up on the main roads in the no-go zone to punish traffic violations such as "driving a motor vehicle to emit black smoke and other obvious exhaust pollutants" according to law.