Abstract
The road model is the basis of the entire city's traffic simulation system and plays an important role in the simulation of traffic flow. However, with the rapid development of the city, the original model has become insufficient for accurately describing the delicate and complex road system. This paper carefully analyzes the characteristics of road networks and the advantages of network simulation. On the basis of the original road node-segment model, it analyzes the node and the new characteristics of roads, putting forward a new aggregation node model and description method of lanes which can exactly simulate the junction parameters and path forms of the real world. The implications are a significant savings in data storage space, improved operational efficiency, and enhanced robustness of the system. This lays the foundation for visual simulation of traffic flow and traffic management, which has broad application prospects.
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