Jincheng Town in context: Street-network sprawl trends

Jincheng Town in context

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
Jincheng TownJiangsu (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jincheng Town plotted against Jiangsu and China. The SNDi of new construction in Jincheng Town peaked in 1976-1990, compared to Jiangsu which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Jincheng Town's incremental SNDi fell from 1.63 to 1.57 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jincheng Town ranked 5th out of 101 cities in Jiangsu and 68th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
1.57
Rank in China
88th of 1843
Rank in Jiangsu
5th of 101

Entire Network (Aggregate)

SNDi value
1.62
Rank in China
68th of 1843
Rank in Jiangsu
5th of 101

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
Jincheng TownPandeglangZhengdian

In new street additions, Jincheng Town built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Pandeglang built increasingly disconnected streets over time and Zhengdian fluctuated in its street-construction patterns. For the full network, Jincheng Town grew more disconnected from 1975 through 1976-1990, then improved, while Pandeglang became progressively more disconnected and Zhengdian fluctuated in connectivity. Jincheng Town and Pandeglang have been growing further apart in their street-network character since 1975.