Traffic Flow Characteristics And Logical Density Of Road System In Science Park

In nearly two decades, some important traffic indexes including transit trip characteristic and network planning didn't be studied in-depth and systematically, with the construction and development of science park. Apply mechanically urban road planning index, network density index is high from application effect, making uncheck construction of urban transportation infrastructure facilities. On the other hand, unreasonable arrangement of major and minor lines don't match with traffic demand and trip rule of various lands; some roads are too wide and density too high resulting in idle; network density is too low in some high-tech zones that regular operation of traffic is affected.Based on the research of network density in Lugu science park in changsha, the author summarized the feature and surveyed the traffic trip from the beginning. Some researches are done as follows:(1) Analyzing current network traffic characteristic and traffic condition of science park; Evaluating the traffic space-time variation law and level of service on current network.(2) Building the peak hour traffic volume prediction model of various lands in the zone by clustering analysis and regression analysis based on investigating related basic indexes of traffic trip about enterprise, residential district and public facilities.(3) Determining the land category which generate traffic trip according to national standard and planning document of Lugu science park; Calculating the total peak hour traffic in planning period according to peak hour traffic volume prediction model.(4) Determining reasonable network density through arranging total peak hour traffic generating in planning period to desirable network, according to road function, traffic characteristic and land character.