Huangmei County in context: Street-network sprawl trends

Huangmei County in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
Huangmei CountyHubei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Huangmei County plotted against Hubei and China. The SNDi of new construction in Huangmei County 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, Huangmei County's incremental SNDi fell from 2.97 to 2.54 between 1991-2005 and 2006-2020. In terms of the aggregate network, Huangmei County ranked 28th out of 77 cities in Hubei and 707th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.54
Rank in China
542nd of 1843
Rank in Hubei
21st of 77

Entire Network (Aggregate)

SNDi value
2.65
Rank in China
707th of 1843
Rank in Hubei
28th of 77

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

What about similarly populated cities?

246810<19751976–19901991–20052006–2020SNDi of street additions
246810<19751976–19901991–20052006–2020SNDi of entire street network
Huangmei CountyGapanThoubal

In new street additions, Huangmei County built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Gapan built increasingly disconnected streets over time and Thoubal built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Huangmei County grew more disconnected from 1975 through 1991-2005, then improved, while Gapan became progressively more disconnected and Thoubal became progressively more connected. Huangmei County and Gapan have been growing further apart in their street-network character since 1975.