Weihai in context: Street-network sprawl trends

Weihai in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
WeihaiShandong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Weihai plotted against Shandong and China. While Shandong and China both followed a zig-zag trend with an overall increase, Weihai's new street additions followed a zig-zag trend with an overall increase. Most recently, Weihai's incremental SNDi rose from 2.77 to 3.83 between 1991-2005 and 2006-2020. In terms of the aggregate network, Weihai ranked 75th out of 124 cities in Shandong and 663rd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.83
Rank in China
1324th of 1843
Rank in Shandong
104th of 124

Entire Network (Aggregate)

SNDi value
2.6
Rank in China
663rd of 1843
Rank in Shandong
75th of 124

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

What about similarly populated cities?

1.82.433.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.6<19751976–19901991–20052006–2020SNDi of entire street network
WeihaiFuzhouArlington

In new street additions, Weihai and Fuzhou both fluctuated in its street-construction patterns, while Arlington built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend. Notably, Weihai had a more connected network than Fuzhou in 1975 but the two have since reversed their relative ranking.