Shanghe in context: Street-network sprawl trends

Shanghe 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
ShangheShandong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Shanghe plotted against Shandong and China. The SNDi of new construction in Shanghe rose steadily, compared to Shandong which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Shanghe's incremental SNDi rose from 2.19 to 2.42 between 1991-2005 and 2006-2020. In terms of the aggregate network, Shanghe ranked 47th out of 124 cities in Shandong and 271st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.42
Rank in China
464th of 1843
Rank in Shandong
47th of 124

Entire Network (Aggregate)

SNDi value
2.09
Rank in China
271st of 1843
Rank in Shandong
47th of 124

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
ShangheGaoyaoMuaratewe

In new street additions, Shanghe built increasingly disconnected streets over time, while Gaoyao fluctuated in its street-construction patterns and Muaratewe built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend.