Jingjiang in context: Street-network sprawl trends

Jingjiang in context

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
JingjiangJiangsu (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jingjiang plotted against Jiangsu and China. The SNDi of new construction in Jingjiang peaked in 1991-2005, compared to Jiangsu which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Jingjiang's incremental SNDi fell from 3.47 to 3.18 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jingjiang ranked 63rd out of 101 cities in Jiangsu and 1101st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.18
Rank in China
991st of 1843
Rank in Jiangsu
61st of 101

Entire Network (Aggregate)

SNDi value
3.09
Rank in China
1101st of 1843
Rank in Jiangsu
63rd of 101

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
JingjiangCuencaHathras

In new street additions, Jingjiang built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Cuenca built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and Hathras built increasingly disconnected streets over time. For the full network, Jingjiang and Hathras both became progressively more disconnected, while Cuenca became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Jingjiang and Cuenca have been converging in their street-network character since 1975.