Gaoming in context: Street-network sprawl trends

Gaoming in context

2.83.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
GaomingGuangdong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Gaoming plotted against Guangdong and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Gaoming's incremental SNDi rose from 2.75 to 4.86 between 1991-2005 and 2006-2020. In terms of the aggregate network, Gaoming ranked 82nd out of 133 cities in Guangdong and 1331st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
4.86
Rank in China
1608th of 1843
Rank in Guangdong
100th of 133

Entire Network (Aggregate)

SNDi value
3.44
Rank in China
1331st of 1843
Rank in Guangdong
82nd of 133

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

What about similarly populated cities?

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
GaomingYar HussainGorgan

In new street additions, Gaoming fluctuated in its street-construction patterns, while Yar Hussain built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Gorgan built increasingly disconnected streets over time. For the full network, Gaoming fluctuated in connectivity, while Yar Hussain became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Gorgan became progressively more disconnected. Gaoming and Yar Hussain have been converging in their street-network character since 1975.