The road network is an important part of the comprehensive transportation system and plays an important role in the national economic and social development. However, the overloaded and over-limited transportation of road freight vehicles has become a serious problem that endangers the traffic safety of ordinary national and provincial road networks. Overloaded and over-limited transportation makes roads and bridges overwhelmed, greatly reduces the service life of roads and bridges, and increases road maintenance costs sharply; at the same time, the safety factor of overloaded vehicles is greatly reduced, causing traffic accidents continuously; Causing traffic congestion and causing environmental pollution has become a prominent problem that affects the stability of social and economic order and the construction of a harmonious society.
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