Table 2 Speed assignments for grids with different types of roads in China.

From: The spatial impact of high bridges on travel accessibility and economic integration in Guizhou, China: a scenario-based analysis

Road type

Highways

National roads

Provincial roads

County roads

Railways

Speed (km/h)

120

100

80

60

120

  1. Note: based on the technical standards for road engineering of China (JTGB 01-2014).
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