Xunyang in context: Street-network sprawl trends

Xunyang in context

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
XunyangShaanxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Xunyang plotted against Shaanxi and China. While Shaanxi and China both followed a zig-zag trend with an overall increase, Xunyang's new street additions followed a zig-zag trend with an overall increase. Most recently, Xunyang's incremental SNDi rose from 3.91 to 6.6 between 1991-2005 and 2006-2020. In terms of the aggregate network, Xunyang ranked 59th out of 62 cities in Shaanxi and 1736th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
6.6
Rank in China
1777th of 1843
Rank in Shaanxi
62nd of 62

Entire Network (Aggregate)

SNDi value
5.15
Rank in China
1736th of 1843
Rank in Shaanxi
59th of 62

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
XunyangBoheSlavyansk-na-Kubani

In new street additions, Xunyang fluctuated in its street-construction patterns, while Bohe built increasingly disconnected streets from 1975 through 1976-1990, then improved and Slavyansk-na-Kubani built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Xunyang fluctuated in connectivity, while Bohe grew more disconnected from 1975 through 1976-1990, then improved and Slavyansk-na-Kubani became progressively more disconnected. Xunyang and Bohe have been converging in their street-network character since 1975.