Comparisons
Sichuan vs. the other two most closely populated regions in China: Shanghai and Hebei
Sichuan in context: Street-network sprawl of new development
The level of street-network sprawl in new development in Sichuan followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in Sichuan, we can consider three of its most populous cities: Chengdu, Shunqing and Mianyang. Out of the three cities, Chengdu and Shunqing do not follow the same trend as the region. The level of street-network sprawl in new development in Chengdu rose steadily. The level of street-network sprawl in new development in Shunqing was at its lowest in 1976-1990.
How do development practices in Sichuan fare in comparison to others in China? Most recently in 2006-2020, street construction in Sichuan was the 24th-most disconnected out of the 31 regions in China. Its position in the ranks since 1975 has fallen; relative to other regions in China, street construction in Sichuan has become more connected. Sichuan ranked 23rd in 1975, 21st in 1976-1990, 17th in 1991-2005 and 24th in 2006-2020.
Sichuan in context: Aggregate street-network sprawl
As of 2020, the city with the most disconnected street network in Sichuan is Qingjiang with an SNDi of 8.95, which is very sprawly. Conversely, the most connected city is Yingshan with an SNDi of 1.35, which is very well-connected. See trends for these cities: Yingshan, Qingjiang
The level of street-network sprawl in the aggregate network in Sichuan followed a zig-zag trend with an overall increase. To get a sense of how the aggregate street network has changed in Sichuan, we can consider three of its most populous cities: Chengdu, Shunqing and Mianyang. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in the aggregate network in Chengdu rose steadily. The level of street-network sprawl in the aggregate network in Shunqing was at its lowest in 1991-2005. The level of street-network sprawl in the aggregate network in Mianyang rose steadily.
To date, Sichuan is the 22nd-most disconnected out of the 31 regions in China. Its position in the ranks since 1975 has risen; relative to other regions in China, the street network in Sichuan has become more disconnected. Sichuan ranked 23rd in 1975, 23rd in 1976-1990, 23rd in 1991-2005 and 22nd in 2006-2020.