Gangcheng in context: Street-network sprawl trends

Gangcheng in context

2.533.544.5<19751976–19901991–20052006–2020SNDi of street additions
2.533.544.5<19751976–19901991–20052006–2020SNDi of entire street network
GangchengShandong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Gangcheng plotted against Shandong and China. While Shandong and China both followed a zig-zag trend with an overall increase, Gangcheng's new street additions followed a zig-zag trend with an overall decrease. Most recently, Gangcheng's incremental SNDi rose from 2.64 to 2.87 between 1991-2005 and 2006-2020. In terms of the aggregate network, Gangcheng ranked 85th out of 124 cities in Shandong and 844th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.87
Rank in China
793rd of 1843
Rank in Shandong
77th of 124

Entire Network (Aggregate)

SNDi value
2.79
Rank in China
844th of 1843
Rank in Shandong
85th of 124

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

What about similarly populated cities?

11.522.53<19751976–19901991–20052006–2020SNDi of street additions
11.522.53<19751976–19901991–20052006–2020SNDi of entire street network
GangchengSaraf `UmrahLeizhou

In new street additions, Gangcheng and Leizhou both fluctuated in its street-construction patterns, while Saraf `Umrah built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Gangcheng became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards, while Saraf `Umrah became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Leizhou fluctuated in connectivity. Gangcheng and Saraf `Umrah have been converging in their street-network character since 1975.