Table 1 Number and location of newly constructed high bridges in Guizhou Province, 2000–2020.

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

Period

Number of high bridges completed

Location

2000–2005

15

Cover 10 counties, mainly located in the west of Guizhou Province.

2005–2010

29

Cover 18 counties, mainly located in the southwest and north of Guizhou Province.

2010–2015

102

Cover 44 counties, mainly located in the west and east of Guizhou Province.

2015–2020

149

Cover 52 counties, mainly located in central and northern Guizhou Province.