There are differences in numbering time and driving area, as follows:

1. Numbering time: The later the letters of license plates with the same driving area are, the later the numbering is. That is, the order of numbering time from early to late is Shanghai A, Shanghai B, Lu C, and Shanghai D.

2. Driving area: Shanghai A, Shanghai B, and Shanghai D license plates are Shanghai city plates; Shanghai C license plates are suburban license plates and cannot enter the outer ring road.

3. Shanghai A: Most of them are buses, such as buses, trucks, etc.

Shanghai B: It doesn’t have any special meaning. There are both public and private cars, and there may be more private cars.

Shanghai C: Suburban cars are not allowed to enter the outer ring.

Shanghai D: Mainly taxis.

Extended information:

Huanghu C is a suburban county license plate. According to regulations, it can only be driven outside the outer ring road, that is, it cannot enter the urban area. Blue: small passenger cars, private cars or commercial vehicles,

For example: taxis and private cars basically have blue license plates, including Shanghai A, Shanghai B, Shanghai C, Shanghai D, and Shanghai E** *Five types, blue background with white characters, the format is the same as the yellow license plate. Among them, Shanghai C has a different traffic range than others, and is limited to outside the outer ring road. White: license plates used by police, armed police and troops.

The license plate is the number and information registration of each vehicle. Its main function is to know the region of the vehicle through the license plate. It can also find the owner of the vehicle and the registration information of the vehicle based on the license plate.

Reference: Baidu Encyclopedia - License Plate