Qianwei in context: Street-network sprawl trends

Qianwei in context

33.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
33.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
QianweiSichuan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Qianwei plotted against Sichuan and China. The SNDi of new construction in Qianwei followed a zig-zag trend with an overall decrease, compared to Sichuan which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Qianwei's incremental SNDi fell from 4.9 to 3.35 between 1991-2005 and 2006-2020. In terms of the aggregate network, Qianwei ranked 72nd out of 98 cities in Sichuan and 1574th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.35
Rank in China
1071st of 1843
Rank in Sichuan
53rd of 98

Entire Network (Aggregate)

SNDi value
4.1
Rank in China
1574th of 1843
Rank in Sichuan
72nd of 98

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

What about similarly populated cities?

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
QianweiYingxianFeroze Wattwan

In new street additions, Qianwei fluctuated in its street-construction patterns, while Yingxian fluctuated in its street-construction patterns and Feroze Wattwan built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Qianwei fluctuated in connectivity, while Yingxian fluctuated in connectivity and Feroze Wattwan became progressively more disconnected. Qianwei and Yingxian have been growing further apart in their street-network character since 1975.