Gongchangling in context: Street-network sprawl trends

Gongchangling in context

1234<19751976–19901991–20052006–2020SNDi of street additions
1234<19751976–19901991–20052006–2020SNDi of entire street network
GongchanglingLiaoning (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Gongchangling plotted against Liaoning and China. The SNDi of new construction in Gongchangling peaked in 1991-2005, compared to Liaoning which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Gongchangling's incremental SNDi fell from 1.9 to 1.06 between 1991-2005 and 2006-2020. In terms of the aggregate network, Gongchangling ranked 2nd out of 61 cities in Liaoning and 10th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
1.06
Rank in China
15th of 1843
Rank in Liaoning
3rd of 61

Entire Network (Aggregate)

SNDi value
1.17
Rank in China
10th of 1843
Rank in Liaoning
2nd of 61

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

What about similarly populated cities?

036912<19751976–19901991–20052006–2020SNDi of street additions
036912<19751976–19901991–20052006–2020SNDi of entire street network
GongchanglingNarusAl 'Izziyah

In new street additions, Gongchangling built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Narus fluctuated in its street-construction patterns and Al 'Izziyah fluctuated in its street-construction patterns. For the full network, Gongchangling grew more disconnected from 1975 through 1991-2005, then improved, while Narus became progressively more connected and Al 'Izziyah became progressively more disconnected. Gongchangling and Narus have been converging in their street-network character since 1975.