The carriage of a 4.2m van cannot be widened. I bought the 4.2m van and had to go to the vehicle management office to get the license plate. The vehicle management office will check all kinds of data falling into the car, take photos after passing the test and issue driving licenses. If you change the length, width and color of the vehicle without permission, it is illegal to modify the vehicle without permission as long as it is inconsistent with the data on the driving license. If you modify the car without authorization, not only will the vehicle management office fail the annual review, but if it is found, it will be punished by the traffic police. According to the Regulations of the People's Republic of China on Road Transportation, if a freight operator modifies a vehicle that has obtained a vehicle business license without authorization, he shall be fined between 5,000 yuan and 20,000 yuan, and ordered to make corrections and restore to the original state. The modification of trucks is also very harmful. Long-term overloading of modified vehicles will bring traffic safety hazards to vehicles and easily lead to traffic accidents. It is allowed to change the color of the car body, remove and replace the car body, change the length, total width and relative height of the car body, and modify the luggage rack. However, the specification cannot be changed too much, and an application should be made to the vehicle management office after the transformation, and the application should be made within 10 days. According to the requirements of "Motor Vehicle Registration Regulations", the allowable areas of large truck compartments are: refitting sand baffle, water storage tank, auxiliary tools, spare wheel rack, etc. , it can be rebuilt without endangering safety and recognizing the license plate number, and it is not necessary to go through the change registration at the vehicle management office. However, if you want to change the color of the car body, change the car body or window frame, you must report to the vehicle management office and get permission from the vehicle management office before you can change it, otherwise you will order the car buyer to restore the original state.

The loading length and width shall not exceed the carriage, and the following provisions shall be observed:

(a) heavy and medium-sized trucks and semi-trailers carrying goods shall not exceed 4 meters above the ground, and vehicles carrying containers shall not exceed 4.2 meters;

(two) the height of other motor vehicles carrying goods from the ground shall not exceed 2.5 meters;

(3) The height of the motorcycle shall not exceed 1.5m from the ground, and the length shall not exceed 0.2m from the body. The load width of two-wheeled motorcycle shall not exceed the handlebar by 0.15m; The load width of a three-wheeled motorcycle shall not exceed the body. Passenger cars are not allowed to carry goods except the luggage rack outside the car body and the built-in luggage compartment. The height of passenger car luggage rack shall not exceed 0.5m from the roof and 4m from the ground.

Legal basis:

Regulations of the People's Republic of China on Road Traffic Management

Article 31

Non-motor vehicle loading, in large and medium-sized cities or on roads with large traffic flow, must comply with the following provisions:

1. The front end of the bicycle is not allowed to exceed the wheels, and the rear end is not allowed to exceed the body by 30 cm.

2 tricycle, rickshaw height from the ground is not allowed to exceed one meter, width is not allowed to exceed ten centimeters, length is not allowed to exceed one meter;

3. The height of the animal-drawn vehicle shall not exceed10.5m from the ground, and the width shall not exceed10cm from the vehicle body. The front end of the length is not allowed to exceed the shaft, and the rear end is not allowed to exceed the body meter.