Jingmen in context: Street-network sprawl trends

Jingmen in context

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
JingmenHubei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jingmen plotted against Hubei and China. The SNDi of new construction in Jingmen peaked in 1991-2005, compared to Hubei which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Jingmen's incremental SNDi fell from 5.94 to 3.9 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jingmen ranked 60th out of 77 cities in Hubei and 1408th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.9
Rank in China
1356th of 1843
Rank in Hubei
64th of 77

Entire Network (Aggregate)

SNDi value
3.58
Rank in China
1408th of 1843
Rank in Hubei
60th of 77

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
JingmenAl ZawiyahDumka

Jingmen, Al Zawiyah, and Dumka all built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street construction. For the full network, Jingmen and Dumka both became progressively more disconnected, while Al Zawiyah grew more disconnected from 1975 through 1991-2005, then improved.