Hanchuan in context: Street-network sprawl trends

Hanchuan in context

2.433.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
HanchuanHubei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Hanchuan plotted against Hubei and China. The SNDi of new construction in Hanchuan rose steadily, compared to Hubei which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Hanchuan's incremental SNDi rose from 3.93 to 4.06 between 1991-2005 and 2006-2020. In terms of the aggregate network, Hanchuan ranked 59th out of 77 cities in Hubei and 1397th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
4.06
Rank in China
1419th of 1843
Rank in Hubei
69th of 77

Entire Network (Aggregate)

SNDi value
3.56
Rank in China
1397th of 1843
Rank in Hubei
59th of 77

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

What about similarly populated cities?

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
HanchuanArakKhurja

While Arak and Khurja both fluctuated in its street-construction patterns, Hanchuan built increasingly disconnected streets over time in new street additions. For the full network, Hanchuan became progressively more disconnected, while Arak became progressively more connected and Khurja fluctuated in connectivity. Notably, Hanchuan had a more connected network than Arak in 1975 but the two have since reversed their relative ranking.