The Network Reasonable Scale And The Rule Of Development Of The PRD Road Transport Network

Highway construction is the country's economic and national defense critical infrastructure, road network construction must meet or moderately ahead of the national economic development and social development needs of the different stages of social development, should be the appropriate scale of development, so the analysis and the study area road network and reasonable the scale of development, road transport and to grasp the adaptation of economic development, road construction and development process to identify problems and shortcomings, the development of a clear idea of the future road transport, construction of key development goals and to promote the coordination of road traffic and economic development to realize the modernization of road transport and sustainable development is of great significance.Papers in the Pearl River Delta, for example, the first of its traffic forecast, as the rationality of the decision below, the standard size. After the paper from the total mileage of highway network car, the route mileage, and road network optimization level three aspects, the development of reasonable road network to determine the scale of the ideas and methods to analyze the impact of the Pearl River Delta road network development scale factor. In this paper the size of the Pearl River Delta road network were studied. The scale of road network in the Pearl River Delta study, the use of territory coefficient model and the connectivity of nodes in a reasonable model for the Pearl River Delta highway, mileage theoretical study. Prediction of the two methods are out of the traffic demand. But the paper argues that 2020 to 2030, the Pearl River Delta region will enter the ranks of the developed world, and economic corresponds to stable traffic demand, the transport development will become stable, the paper by the Pearl River Delta region through a variety of posed by the internal socio-economic factors need to measure the Pearl River Delta in the long-term good road network size. In this paper, the characteristics of the Pearl River Delta and then study the factors affecting the development of the law. And by predicting the traffic volume and contrast in developed countries, verify the network of the Pearl River Delta region of reasonable accuracy. Transport supply and demand to adapt, and moderately advanced. Predicted by this paper, the scale of demand and verify the status of road and found that the scale can not meet demand situation, on the other hand found to predict the scale very well adapted to the transportation needs, while not much of a waste of idle (the ratio of demand and supply 95%).On this basis, according to the development process of developed roads, the system summarizes the size of the regional road network growth principles through analysis of the scale of highway construction, development and maturation of the three phases, and according to China's national conditions, discussed in detail in Pearl River Delta Road Construction modest relative to the advance of economic development, multi-stage trend and the decay of the elastic coefficient of variation of several typical. These results laid the foundation for follow-up study.