Travel time is an important measure of traffic travel service level, and is also an important travel index which can be directly perceived by the travelers. Good calculation application of travel time is an important support for road traffic management, traffic information service and route guidance, and is also an important data support for urban traffic planning. This paper summarizes the relevant parameters and indicators of road travel time, the calculation and distribution principle of the travel time to predict the approximate travel time between any two points of the city, providing a theoretical basis for urban traffic guidance model.
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