Shanyang in context: Street-network sprawl trends

Shanyang in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Shanyang plotted against Shaanxi and China. The SNDi of new construction in Shanyang was at its lowest in 1976-1990, compared to Shaanxi which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Shanyang's incremental SNDi rose from 1.75 to 2.8 between 1991-2005 and 2006-2020. In terms of the aggregate network, Shanyang ranked 9th out of 62 cities in Shaanxi and 368th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.8
Rank in China
739th of 1843
Rank in Shaanxi
26th of 62

Entire Network (Aggregate)

SNDi value
2.22
Rank in China
368th of 1843
Rank in Shaanxi
9th of 62

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
ShanyangFangxianDomkal

In new street additions, Shanyang built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Fangxian built increasingly disconnected streets from 1975 through 1991-2005, then improved and Domkal built increasingly disconnected streets over time. Looking at the full network, Fangxian and Domkal both became progressively more disconnected, while Shanyang became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards.