Impact of Road Network Topology on Public Transportation Development

Table 2

Variable description.

Variables	Description
	Frequency of per capita transit trip in a year
BC	Betweenness centralization
	Per capita GDP (unit:10,000yuan)
	Number of public transportation vehicles per 10,000 people
	Per capita urban road area (unit: m^2)
	Urban investment in fixed assets (the generic terms of the workload expressed in monetary terms of building and buying fixed assets in a certain period and related cost) (unit: 100 billion Yuan)
	Topographic index
	City scale (unit: km^2)
	Coverage ratio of area within 300 m from bus stations (the area within 300 m from bus stations divided by the urban built-up area)