Research On The Walking Attraction Scope And Coverage Level Of Bus Stations Based On GIS

With the background of bus city,bus priority and other urban development strategies,and in order to improve the service level of conventional bus stations,it was optimized from the two levels: bus stop actual attraction area and coverage level of bus stations.At the level of studying the actual attraction area of bus stations,cluster analysis method is used to classify bus stations considering the three factors of travelers,platforms and environment.The Distance Inference Model is established for each classified station by using the survey data,and the reasonable distance of the bus station is obtained.Establish a multivariate regression model to find the mathematical relationship between the pedestrian attraction distance of the bus station and the factors of the traveler,the platform and the environment;With the help of GIS,the method of path search is adopted to replace the current method of circular coverage,which fully reflects the actual range characteristics of pedestrian paths around bus stations with the realistic road network layout.In terms of improving bus station coverage level,this paper proposes to investigate the travel demand generated by human activities in the threedimensional space covered by bus stations,takes the supply-demand balance factor of bus resources within the coverage of bus stations as the expansion factor,and establish a composite model of bus station coverage level based on supply-demand balance.A district in Xi 'an city was selected as an example for research.The research results showed that the distance of the bus stations on different land use types has a certain rule: the acceptable walking distance of the bus stations on the nature of education and medical land use is about 200 meters.Business class nature of land use on the bus station,walking distance is about 300 meters;The distance of residential and administrative land use bus stations is about 450 meters on foot,while the distance of venue and garden land use bus stations is about 560 meters on foot.In terms of traveller factors affecting walking distance,the older the female,or the working traveler,the shorter the walking distance accepted;the faster the pace,the pedestrian walking,the longer the walking distance accepted.The application of composite model based on the balanced supply bus station coverage is only 29.49%,the result of the calculation is far less than the current coverage of 80.78%.Combining with model proposed specific measures to improve bus station coverage method is helpful for bus station resources rational allocation and providing a basis for the accurate allocation.