Impact of Railway High-speed on the Urban Spatial Interaction: A Case Study of Beijing-shanghai Line

JIANG Huaxiong1,2, MENG Xiaochen2,†

ACTA Scientiarum Naturalium Universitatis Pekinensis - - Contents - JIANG Huaxiong, MENG Xiaochen

1. School of Urban Planning and Design, Peking University, Shenzhen 518055; 2. College of Urban and Environmental Sciences,

Peking University, Beijing 100871; † Corresponding author, E-mail: xcm@urban.pku.edu.cn Abstract Taking Beijing-shanghai High-speed Rail as an example, this paper makes an analysis about the impact of city scale, distance, departure frequency upon the intensity of passager flow between cities, and decomposes the Time Saving effect of high-speed rail and departure frequency effect. A multiple liner regression model is constructed to analyze whether both effects are significant, under the control of the scale variable. The results show that Beijing-shanghai High-speed Rail makes a readjustment of the passager flow between cities, leading to an decreasing impact of the scale variable upon the urban spatial interaction; the influence of the distance variable is significant in 2014, of which the absolute coefficient decrease, and which means passager flow is less sensitive to the spatial distance, leading to the increase of passager flow of the long-distance city-pairs. Therefore, the time saving effect of high-speed rail makes the distance less important for urban spatial interaction. The coefficient of the departure frequency variable is also significant in 2014, resulting from high-speed rail increasing the total departure frequency, and exalting the intensity of medium, medium-high departure frequency city-pairs, which means that the effect of departure frequency makes the departure frequency more important for urban spatial interaction. Key words Beijing-shanghai high-speed rail; city-pair; scale-distance-departrue frequency; spatial interaction

交通技术的每次革新都会对城市间的联系强度及联系方向产生重要影响, 进而影响区域一体化进程。高速铁路作为一种重要的新型交通工具, 必将

影响个体和企业的空间行为方式, 改变传统区域间经济联系的方式, 影响区域之间相互作用强度和方向, 并重塑区域的经济空间格局[1]。

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