Dingnan in context: Street-network sprawl trends

Dingnan in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
DingnanJiangxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dingnan plotted against Jiangxi and China. While Jiangxi and China both followed a zig-zag trend with an overall increase, Dingnan's new street additions followed a zig-zag trend with an overall increase. Most recently, Dingnan's incremental SNDi rose from 1.77 to 3.7 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dingnan ranked 22nd out of 82 cities in Jiangxi and 518th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.7
Rank in China
1248th of 1843
Rank in Jiangxi
68th of 82

Entire Network (Aggregate)

SNDi value
2.41
Rank in China
518th of 1843
Rank in Jiangxi
22nd of 82

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

What about similarly populated cities?

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
DingnanBhingaChongdan

Dingnan, Bhinga, and Chongdan all fluctuated in its street-construction patterns in new street construction. For the full network, Dingnan and Bhinga both became progressively more disconnected, while Chongdan fluctuated in connectivity. Dingnan and Bhinga have been growing further apart in their street-network character since 1975.