Urban road free flow state percentile vehicle speed determination method based on floating vehicle data
A technology of floating vehicle data and determination method, which is applied in the traffic control system of road vehicles, traffic flow detection, instruments, etc., can solve the problems of time and space limitations, incomplete coverage, etc., and achieve the effect of good coverage
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[0036] Example 1
[0037] like figure 1 As shown, a municipal road free flow percentage speed calculation method based on large-scale floating vehicle data, the method comprising the steps of:
[0038] S1: Pretreatment of urban road network data;
[0039] S2: Get a floating car data, and map the map data by the floating car geographic location information and the pre-treated urban road network data;
[0040] S3: Calculate the percentage speed of daily peak hours and non-peak hours;
[0041] S4: The free flow percentage speed is calculated based on the percentage percentage percentage speed.
[0042] In a specific embodiment, step S1 is specifically: load urban road network data, dividing urban roads, each section is a cross-port or interleaving area, and the independent section ID in the urban road network, At the same time, it is necessary to screen data data, exclude unreliable data from road engineering conditions, and road side interference levels.
[0043] In a specific embod...
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