An important aspect of traffic planning is organizing and rationally assigning traffic flow. The impedance function can reflect the impact of traffic flow on the impedance of road sections and intersections. The impedance function of the road can be divided into two parts of impedance, section and intersection. Taking the motor vehicle as the research object, on the basis of the BPR prototype function, this paper builds the impedance function model of a city section in connection with the road type on the premise of distinguishing the road class, studies the impedance of left-turn and right-turn vehicle flow in signalized intersections, and sets up an intersection impedance function model based on an exponential function. The influencing factor is calibrated by use of road data for Ningbo city. The results indicate that the impedance function model of the road can better reflect local actual traffic in Ningbo city.
Study on the Impedance Function Model of the City Road: The Case of Ningbo, China
Tenth International Conference of Chinese Transportation Professionals (ICCTP) ; 2010 ; Beijing, China
ICCTP 2010 ; 1751-1759
2010-07-22
Conference paper
Electronic Resource
English
Study on the Impedance Function Model of the City Road: The Case of Ningbo, China
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