Shanxian in context: Street-network sprawl trends

Shanxian in context

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
ShanxianShandong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Shanxian plotted against Shandong and China. The SNDi of new construction in Shanxian peaked in 1976-1990, compared to Shandong which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Shanxian's incremental SNDi fell from 2.0 to 1.58 between 1991-2005 and 2006-2020. In terms of the aggregate network, Shanxian ranked 24th out of 124 cities in Shandong and 125th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
1.58
Rank in China
90th of 1843
Rank in Shandong
14th of 124

Entire Network (Aggregate)

SNDi value
1.79
Rank in China
125th of 1843
Rank in Shandong
24th of 124

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
ShanxianZhytomyrSevastopol

In new street additions, Shanxian and Sevastopol both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Zhytomyr built increasingly disconnected streets over time. Looking at the full network, Zhytomyr and Sevastopol both became progressively more disconnected, while Shanxian grew more disconnected from 1975 through 1991-2005, then improved. Shanxian and Zhytomyr have been growing further apart in their street-network character since 1975.