How does Handan, Hebei know whether it is a bus or a private car?

Look at the third word on the license plate.

The first word is Chinese (abbreviation), the second word is English letter (region), and the third word is number, which means bus license plate. If it is an English letter, it means a private car. The words behind are just numbers. At present, many areas are operating in this way. License plate number is a number plate to identify the identity of the vehicle. The license plate number is as important to the vehicle as the ID number to the person. Article 1 These Rules are formulated in order to strengthen the registration management of the trial "2002" motor vehicle license plate (hereinafter referred to as the license plate), ensure the accuracy and effectiveness of road traffic law enforcement, and facilitate the people to choose motor vehicle license plates that reflect their own wishes. Article 2 These Rules shall apply to the number plates of large cars, small cars, motorcycles and mopeds. Specify the arrangement, character type, number and combination of license plates. Article 3 The motor vehicle number plate consists of the motor vehicle registration agency code and the number plate. Car number plates are arranged in two rows, the upper row is the code of the motor vehicle registration agency, and the lower row is the number plate. The motorcycle license plate number has a left-right structure, with the motor vehicle registration agency code on the left and the license plate number on the right. Article 4 The number of characters of the motor vehicle registration agency code is 2, which consists of Chinese characters and English letters respectively. Chinese characters are abbreviations of provinces, autonomous regions and municipalities directly under the central government, and English letters are the code names of vehicle management offices. The motor vehicle registration agency code of the license plate number is located in the middle above the license plate, and Chinese characters and English letters are arranged horizontally; The motor vehicle registration agency code of motorcycle license plate number is located on the left side of the license plate, and Chinese characters and English letters are arranged vertically.