Overlimit and overloaded transportation are known as the number one "highway killer" and "culprit of accidents". This behavior can prolong the braking distance of the vehicle and even lead to brake failure, seriously affecting the handling performance of the vehicle, greatly shortening the service life of the vehicle, damaging public facilities such as highways and bridges, and easily causing traffic accidents or aggravating the consequences of accidents.

For many years, China has strictly prohibited vehicles from exceeding limits and overloading, and has successively issued regulations such as the "Regulations on the Management of Overlimit Transport Vehicles Driving on Highways", the "Opinions on Further Improving the Management of Illegal Modification and Overloading of Freight Cars", and the "Work Plan for the Management of Vehicle Transport Vehicles".

Non site law enforcement for highway overload control refers to the installation of highway overload detection technology monitoring equipment by highway management agencies at important road sections and nodes such as the main cargo transportation channel and important bridge entrances, in accordance with the needs of protecting highways. And based on the information recorded by the above equipment, after determining the illegal facts, in accordance with laws and regulations such as the "Regulations on Highway Safety Protection" and the "Regulations on the Management of Overlimit Transport Vehicles Driving on Highways", an administrative penalty decision shall be made on the parties involved in the illegal and over limit transport vehicles (including the vehicle owner, driver, or vehicle manager).

The deployment of vehicle contour detection equipment is an important part of off-site law enforcement in highway overloading control.

In many regions, sensor acquisition is used, with checkpoints set at certain distances to record vehicles exceeding the limit. But some sensors are easily affected by the environment, and in poor lighting conditions, the misjudgment rate is high; Lidar has unparalleled advantages in low light, harsh weather, and detail resolution compared to cameras. It adopts an active light source, which is not limited to environmental lighting and can obtain imaging images with the same clarity at night as during the day. Moreover, LiDAR can accurately obtain the shape features of three-dimensional space objects, presenting three-dimensional traffic data, making data analysis relatively simple and requiring lower computational power.

The laser vehicle length, width, and height detection system under Intelly Technology adopts high-precision LiDAR detection equipment, which can automatically detect the external dimensions of freight vehicles 24/7 without interfering with the normal traffic order of the road, automatically identify illegal vehicles that exceed the limit and overload, and collect illegal data that will form a complete chain of illegal evidence after being entered into the computer system, greatly improving road control and forming a high-pressure situation.