Along with our country's continuous growth, rising rush hours traffic congestion, many scholars proposed setting variable lanes solution, but due to the variable lanes different times the direction of the lane change, which made the driver can not be correctly into the right lane. So we propose a traffic optimization control method for variable lanes combined with colorful asphalt materials. Firstly, enumeration method is used to list all the direction schemes and phase schemes of the variable lanes, and the optimal scheme is obtained according to the constraints. In order to better distinguish the variable lanes from the conventional lanes, the variable lanes are paved with colorful asphalt environmental materials. Then the phase timing is calculated according to the determined variable lanes, phase scheme and traffic flow. Finally, through VISSIM traffic simulation software to evaluate the results, the results show that combining with colorful asphalt materials clearly calibrate the position of the variable lanes, effective rule on the variable lanes traffic space, and on this basis, through phase timing optimization technology to further improve the intersection traffic efficiency, effectively alleviate the intersection rush hours traffic congestion. It provides a basis for the research of variable lanes optimization control combined with colorful asphalt materials.
Scientific measurement of taxi passenger volume is of great significance for optimizing urban traffic. In this paper, based on the satellite positioning data of taxis in Huangshan City, the identification method of taxi passenger trips is studied with Python as the analysis tool, and the taxi passenger trip trajectory is extracted. Through the sampling survey, the passenger load factor of different periods is calculated, based on which the distribution characteristics of taxis under different time and space is analyzed and visualized through ArcGIS and TransCAD. The research demonstrates that the average daily passenger volume of taxis in Huangshan City is 14,013 person-times, and the number of taxi passengers on rest days is higher than that on working days, and significantly higher during the day than at night; taxi trips are mainly distributed in the main urban areas of the city, accounting for 87.36% of the total trips, forming two passenger corridors, east-west and north-south.
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