Comparisons
Gansu vs. the other two most closely populated regions in China: Xinjiang Uygur and Guizhou
Gansu in context: Street-network sprawl of new development
The level of street-network sprawl in new development in Gansu peaked in 1976-1990. To get a sense of how street development has changed in Gansu, we can consider three of its most populous cities: Lanzhou, Tianshui and Pingliang. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Lanzhou followed a zig-zag trend with an overall increase. The level of street-network sprawl in new development in Tianshui was at its lowest in 1976-1990. The level of street-network sprawl in new development in Pingliang followed a zig-zag trend with an overall increase.
How do development practices in Gansu fare in comparison to others in China? Most recently in 2006-2020, street construction in Gansu was the 29th-most disconnected out of the 31 regions in China. Its position in the ranks since 1975 has not changed. Gansu ranked 29th in 1975, 30th in 1976-1990, 30th in 1991-2005 and 29th in 2006-2020.
Gansu in context: Aggregate street-network sprawl
As of 2020, the city with the most disconnected street network in Gansu is Xincheng with an SNDi of 8.38, which is very sprawly. Conversely, the most connected city is Jinchang with an SNDi of 2.25, which is well-connected. See trends for these cities: Jinchang, Xincheng
The level of street-network sprawl in the aggregate network in Gansu peaked in 1976-1990. To get a sense of how the aggregate street network has changed in Gansu, we can consider three of its most populous cities: Lanzhou, Tianshui and Pingliang. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in the aggregate network in Lanzhou rose steadily. The level of street-network sprawl in the aggregate network in Tianshui rose steadily. The level of street-network sprawl in the aggregate network in Pingliang rose steadily.
To date, Gansu is the 30th-most disconnected out of the 31 regions in China. Its position in the ranks since 1975 has fallen; relative to other regions in China, the street network in Gansu has become more connected. Gansu ranked 29th in 1975, 29th in 1976-1990, 29th in 1991-2005 and 30th in 2006-2020.