Method and apparatus for calculating the density of urban road network
A calculation method and technology of road network density, applied in the direction of calculation, instrumentation, data processing applications, etc.
Inactive Publication Date: 2015-12-09
SHANGHAI MUNICIPAL ENG DESIGN INST GRP
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Problems solved by technology
[0003] The technical problem to be solved by the present invention is to overcome the defect in the prior art that it is impossible to obtain the exact road network density planning value conforming to the urban characteristics according to the urban characteristics of a specific city, and to provide a method and method for calculating the urban road network density. computing device
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[0038] The present invention is further illustrated below by means of examples, but the present invention is not limited to the scope of the examples.
[0039] This embodiment provides a calculation method for urban road network density, such as figure 1 As shown, the calculation method includes the following steps:
[0040] Step 101, input the travel distance of motor vehicles in the city, the average number of lanes of roads of each grade in the city, and the single-lane traffic capacity of roads of each grade in the city;
[0041] Wherein, the values of the travel distance, the average number of lanes and the traffic capacity are all traffic demand forecast values, and these forecast values can be obtained by forecasting by existing traffic demand forecast software. Taking city A as an example, according to the forecast of traffic demand, the distribution of travel distance of motor vehicle peak hours in city A in 2030 is as follows: figure 2 As shown, there are abou...
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The invention discloses a method and apparatus for calculating the density of an urban road network. The calculating method comprises inputting the trip distance of a motor vehicle in a city, the average number of lanes for each classified road in a city, and the traffic capacity for single lane of each classified road in a city; calculating the preponderant trip distance of each classified road, the preponderant trip turnover of each classified road, and the total length of each classified road; calculating the density of road network according to the total length of each classified road and the planned construction land area; and determining whether the absolute value of the difference between the density of road network and a preset density of road network is less than one threshold, and outputting the density of road network when the determination result is yes. According to the input trip distance, the average number of lanes and the traffic capacity for the current city, the method and apparatus for calculating the density of urban road network can calculate the density of road network of each classified road, and can acquire calculation of the density of road network of a specific city, and can definitely represent the density of road network of the specific city by means of the value of the density of road network, wherein the value of the density of road network is obtained by calculation.
Description
technical field [0001] The invention relates to the field of urban traffic planning, in particular to a calculation method and a calculation device for urban road network density. Background technique [0002] In the traffic planning of urban roads, the reasonable road network density has a clear planning index range in the traffic planning specification, and the road network density within the index range is reasonable and compliant. However, such a planning method cannot obtain a relatively accurate density planning value according to the characteristics of a specific city. It can be seen that the existing planning range of road network density cannot characterize the road network density of a specific city. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the defect in the prior art that it is impossible to obtain the exact road network density planning value conforming to the city’s characteristics according ...
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Login to View More IPC IPC(8): G06Q10/04G06Q50/30
Inventor 王重元汪洋高明
Owner SHANGHAI MUNICIPAL ENG DESIGN INST GRP