Huaibei in context: Street-network sprawl trends

Huaibei in context

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
HuaibeiAnhui (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Huaibei plotted against Anhui and China. The SNDi of new construction in Huaibei rose steadily, compared to Anhui which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Huaibei's incremental SNDi rose from 2.95 to 3.22 between 1991-2005 and 2006-2020. In terms of the aggregate network, Huaibei ranked 46th out of 74 cities in Anhui and 885th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.22
Rank in China
1012th of 1843
Rank in Anhui
53rd of 74

Entire Network (Aggregate)

SNDi value
2.83
Rank in China
885th of 1843
Rank in Anhui
46th of 74

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
HuaibeiLilleFirozabad

In new street additions, Huaibei built increasingly disconnected streets over time, while Lille built increasingly disconnected streets from 1975 through 1991-2005, then improved and Firozabad built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Huaibei and Lille both became progressively more disconnected, while Firozabad became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards.