Abstract
As part of urban transportation, walking plays an important role in promoting the development of urban green transportation systems. Through the analysis of resident travel preference and the influence factors on travel choice of land use and related effects, this paper puts forward the walking accessibility, pedestrian route directness (PRD), street walking popularity and the ratio of green interface as a quantitative index of the measurement system of pedestrian friendliness, to evaluate the effect of land use and urban space on the residents’ walking. Based on this, this paper takes Nanjing Hexi District as an example, using ArcGIS software to quantify the city residents’ travel purpose. Two-dimensional space characteristic analysis verifies that the high density and high degree of mixing, high accessibility blocks with good street environmental quality and open environment on the pedestrian block has a good role in promoting walking, and then puts forward optimization suggestions to promote the pedestrian friendliness in Hexi District.
Highlights
Walking is of great significance to the development of low-carbon cities
In order to further consider the effect of travel distance on the purposeful flexible travel, the author introduces the relationship between the supply and demand of the origin and destination in the above potential model in the traditional pedestrian route directness to get the integrated pedestrian route directness of the area
That means to calculate the ratio of the straight-line distance to the actual shortest walking distance in the space based on the spatial relationship of origin and destination in the potential model, it is necessary take the attraction probability function of the supply point to the demand point as the weight of the segment path and obtain the integrated pedestrian route directness of a region by weighting the pedestrian route directness of all the starting and ending points
Summary
Walking is of great significance to the development of low-carbon cities. Advocating walking in cities is a good policy to ease urban problems such as traffic congestion and environmental pollution. Germany has set up a central pedestrian zone in all cities and a vast majority of towns with populations of over 50,000; and in the United States, Portland has reduced the per capita number of kilometers traveled by cars by controlling the growth of urban boundaries, integrated development of transport and land use and by encouraging walking and cycling trips [1]. Ewing believed that residents living in compact communities walked more [5]; Lu and Ding et al advocated high-intensity development and encouraged public transport and believed that it would effectively reduce the total demand for travel and shorten the residents travel distance, thereby promoting residents to walk and use other forms of green travel [6]. This paper takes Hexi District in Nanjing as an example to study the influence of land use and the spatial pattern of neighborhoods on pedestrian travel and conducts a quantitative analysis on the relevant indicators by establishing a model, so as to provide effective reference for the study on improving the city’s pedestrian friendliness
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