Gaoling in context: Street-network sprawl trends

Gaoling in context

234<19751976–19901991–20052006–2020SNDi of street additions
234<19751976–19901991–20052006–2020SNDi of entire street network
GaolingShaanxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Gaoling plotted against Shaanxi and China. The SNDi of new construction in Gaoling peaked in 1991-2005, compared to Shaanxi which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Gaoling's incremental SNDi fell from 2.7 to 2.67 between 1991-2005 and 2006-2020. In terms of the aggregate network, Gaoling ranked 6th out of 62 cities in Shaanxi and 287th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.67
Rank in China
638th of 1843
Rank in Shaanxi
23rd of 62

Entire Network (Aggregate)

SNDi value
2.12
Rank in China
287th of 1843
Rank in Shaanxi
6th of 62

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
GaolingCarpiNanma

In new street additions, Gaoling built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Carpi built increasingly disconnected streets over time and Nanma fluctuated in its street-construction patterns. For the full network, Gaoling and Carpi both became progressively more disconnected, while Nanma fluctuated in connectivity. Notably, Gaoling had a more connected network than Carpi in 1975 but the two have since reversed their relative ranking.