Dazhou in context: Street-network sprawl trends

Dazhou in context

33.544.55<19751976–19901991–20052006–2020SNDi of street additions
33.544.55<19751976–19901991–20052006–2020SNDi of entire street network
DazhouSichuan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dazhou plotted against Sichuan and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Dazhou's incremental SNDi rose from 3.03 to 3.45 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dazhou ranked 60th out of 98 cities in Sichuan and 1271st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.45
Rank in China
1131st of 1843
Rank in Sichuan
57th of 98

Entire Network (Aggregate)

SNDi value
3.34
Rank in China
1271st of 1843
Rank in Sichuan
60th of 98

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
DazhouMoreliaBahraich

In new street additions, Dazhou and Morelia both fluctuated in its street-construction patterns, while Bahraich built increasingly disconnected streets over time. Looking at the full network, Morelia and Bahraich both became progressively more disconnected, while Dazhou fluctuated in connectivity. Notably, Dazhou had a more sprawly network than Bahraich in 1975 but the two have since reversed their relative ranking.