Guangling in context: Street-network sprawl trends

Guangling in context

3.23.644.4<19751976–19901991–20052006–2020SNDi of street additions
3.23.644.4<19751976–19901991–20052006–2020SNDi of entire street network
GuanglingShanxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Guangling plotted against Shanxi and China. The SNDi of new construction in Guangling peaked in 1991-2005, compared to Shanxi which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Guangling's incremental SNDi fell from 3.93 to 3.17 between 1991-2005 and 2006-2020. In terms of the aggregate network, Guangling ranked 59th out of 80 cities in Shanxi and 1384th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.17
Rank in China
980th of 1843
Rank in Shanxi
48th of 80

Entire Network (Aggregate)

SNDi value
3.52
Rank in China
1384th of 1843
Rank in Shanxi
59th of 80

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

What about similarly populated cities?

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
GuanglingXindaiZarechny

In new street additions, Guangling and Zarechny both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Xindai built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. Looking at the full network, Xindai and Zarechny both became progressively more disconnected, while Guangling grew more disconnected from 1975 through 1991-2005, then improved. Guangling and Xindai have been converging in their street-network character since 1975.