Songshan in context: Street-network sprawl trends

Songshan 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
SongshanShandong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Songshan plotted against Shandong and China. While Shandong and China both followed a zig-zag trend with an overall increase, Songshan's new street additions followed a zig-zag trend with an overall increase. Most recently, Songshan's incremental SNDi rose from 2.42 to 3.73 between 1991-2005 and 2006-2020. In terms of the aggregate network, Songshan ranked 77th out of 124 cities in Shandong and 715th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.73
Rank in China
1267th of 1843
Rank in Shandong
103rd of 124

Entire Network (Aggregate)

SNDi value
2.66
Rank in China
715th of 1843
Rank in Shandong
77th of 124

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
SongshanBusingaAmdabad

In new street additions, Songshan and Businga both fluctuated in its street-construction patterns, while Amdabad built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend. Notably, Songshan had a more sprawly network than Businga in 1975 but the two have since reversed their relative ranking.