| Abstract |
With the rapid development of Regional Transportation Infrastructure in China, accessibility, an important indicator reflecting the relationship between regional spatial structure and transportation network, has received widespread attention. In contrast, the spatial resolution of foreign accessibility research continues to improve, and the content of accessibility research tends to be more diversified, and the research and application fields of accessibility are continuously broadened; the development speed of domestic accessibility research is relatively fast, but the spatial resolution and content of accessibility research still need to be improved and enriched. With the progress of social development and the improvement of peoples living standards, peoples demand for health has also increased, and in recent years, medical accessibility has gradually become the focus of urban research. The COVID-19 pandemic, in particular, in 2020, has made people realize that medical accessibility and equity in the allocation of social resources are crucial. Based on the data of the top three hospitals, the number of hospital beds, the number of public transportation routes and the population of block units within the six districts of Beijing, the article uses the GIS platform to apply the improved version of the two-step search and movement method to make the accessibility of public transportation clear to the top three hospitals within the six districts of Beijing, and draws a accessibility map based on theory and data, from which relevant conclusions are drawn.
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