Huai'an in context: Street-network sprawl trends

Huai'an 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
Huai'anHebei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Huai'an plotted against Hebei and China. The SNDi of new construction in Huai'an peaked in 1991-2005, compared to Hebei which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Huai'an's incremental SNDi fell from 3.51 to 3.4 between 1991-2005 and 2006-2020. In terms of the aggregate network, Huai'an ranked 82nd out of 120 cities in Hebei and 1159th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.4
Rank in China
1104th of 1843
Rank in Hebei
64th of 120

Entire Network (Aggregate)

SNDi value
3.18
Rank in China
1159th of 1843
Rank in Hebei
82nd of 120

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
Huai'anDundetDarbasta

In new street additions, Huai'an built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Dundet built increasingly disconnected streets over time and Darbasta fluctuated in its street-construction patterns. For the full network, Huai'an and Dundet both became progressively more disconnected, while Darbasta fluctuated in connectivity. Huai'an and Dundet have been growing further apart in their street-network character since 1975.