Abstract
The paper studies whether the opening of community can improve the road capacity. First of all, based on the consideration of road space and traffic quality, the evaluation indexes are: road network density, road network connectivity, non-linear coefficient, traffic volume of main road beside community, delay time of intersection, travel time consumption and vehicle accessibility. Secondly, the weight of the index is calculated by the method of relative comparison, the variation coefficient method and the entropy weight method. Then, we sort the three weights, using the correlated coefficient and degree of spearman rank to combine the three weights, so as to get combined weights of various index and achieve the effect which makes good use of the method. Finally, we combine indicators and weights, establish a comprehensive evaluation model, and assess the road capacity before and after the opening of the road. Through the calculation, it is found that the comprehensive evaluation index after the opening of the community is higher than that before the opening, that is, the positive impact on the surrounding roads.
Highlights
Most of the living community of modern cities are mainly closed-type areas
The so-called closed-type community refers to the use of fully enclosed management mode, so that the use of planning elements such as greening, roads and public facilities are independent from the urban structure, which is a self-contained system, to meet the needs of the communities
As the road system of the closed-type community is closed-planning, the city's original structure of road network has been destroyed, which makes people queue for more time, likely to cause traffic jam, and is not benefit to urban traffic development, as well as increase the difficulty of residents travel
Summary
Most of the living community of modern cities are mainly closed-type areas. This article focuses on the closeness of the road system to the outside world, but with the economic developing and the spirit of the residents improving, the shortcomings of closed-end community gradually emerge. As the road system of the closed-type community is closed-planning, the city's original structure of road network has been destroyed, which makes people queue for more time, likely to cause traffic jam, and is not benefit to urban traffic development, as well as increase the difficulty of residents travel. The focus to the discussion is on the possible passage problem of roads in open areas, such as whether the open community can optimize the road network structure, improve road capacity and improve traffic conditions
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