Longquan in context: Street-network sprawl trends

Longquan in context

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
LongquanZhejiang (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Longquan plotted against Zhejiang and China. The SNDi of new construction in Longquan peaked in 1976-1990, compared to Zhejiang which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Longquan's incremental SNDi fell from 2.75 to 2.39 between 1991-2005 and 2006-2020. In terms of the aggregate network, Longquan ranked 64th out of 116 cities in Zhejiang and 923rd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.39
Rank in China
443rd of 1843
Rank in Zhejiang
27th of 116

Entire Network (Aggregate)

SNDi value
2.88
Rank in China
923rd of 1843
Rank in Zhejiang
64th of 116

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

What about similarly populated cities?

246810<19751976–19901991–20052006–2020SNDi of street additions
246810<19751976–19901991–20052006–2020SNDi of entire street network
LongquanGola BazarTohana

In new street additions, Longquan built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Gola Bazar built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Tohana fluctuated in its street-construction patterns. For the full network, Longquan grew more disconnected from 1975 through 1976-1990, then improved, while Gola Bazar became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Tohana became progressively more disconnected. Longquan and Tohana have been growing further apart in their street-network character since 1975.