Xingan in context: Street-network sprawl trends

Xingan in context

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
XinganJiangxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Xingan plotted against Jiangxi and China. The SNDi of new construction in Xingan rose steadily, compared to Jiangxi which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Xingan's incremental SNDi rose from 2.82 to 2.85 between 1991-2005 and 2006-2020. In terms of the aggregate network, Xingan ranked 21st out of 82 cities in Jiangxi and 506th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.85
Rank in China
774th of 1843
Rank in Jiangxi
43rd of 82

Entire Network (Aggregate)

SNDi value
2.39
Rank in China
506th of 1843
Rank in Jiangxi
21st of 82

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
XinganGidoleHazorasp

In new street additions, Xingan built increasingly disconnected streets over time, while Gidole fluctuated in its street-construction patterns and Hazorasp built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Xingan became progressively more disconnected, while Gidole fluctuated in connectivity and Hazorasp grew more disconnected from 1975 through 1991-2005, then improved.