Impact of traffic on the spatiotemporal variations of spatial accessibility of emergency medical services in inner-city Shanghai

被引：31

作者：

Hu, Wenyan ^{[1
]}

Tan, Jinkai ^{[1
]}

Li, Mengya ^{[1
]}

Wang, Jun ^{[2
]}

Wang, Fahui ^{[3
]}

机构：

[1] East China Normal Univ, Phys Geog, Shanghai, Peoples R China

[2] East China Normal Univ, Sch Geog Sci, Shanghai, Peoples R China

[3] Louisiana State Univ, Dept Geog & Anthropol, Baton Rouge, LA 70803 USA

来源：

ENVIRONMENT AND PLANNING B-URBAN ANALYTICS AND CITY SCIENCE | 2020年 / 47卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Spatial accessibility; emergency medical services; macro-traffic simulation; traffic congestion; spatiotemporal variability; Shanghai; HEALTH-CARE; ACCESS; TIME; EQUITY;

D O I：

10.1177/2399808318809711

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Variability in spatial accessibility of emergency medical services has become a major concern in evaluating the quality of emergency medical services in China. Unlike some other public services, response time is critical in the provision of emergency medical services. Traffic congestion may significantly affect response time, especially in large cities. This study uses a transportation simulation model to estimate the travel time under free-flow and congested road conditions and measure the corresponding spatial accessibility of emergency medical services for various hours of a day in inner-city Shanghai. When traffic congestion is considered, the overall spatial accessibility is significantly reduced, and the effect is further magnified in certain congested areas. The results help policy makers in planning the emergency medical services resource that is sensitive to the spatiotemporal variation of its accessibility.

引用

页码：841 / 854

页数：14

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