Taishun in context: Street-network sprawl trends

Taishun in context

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
TaishunZhejiang (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Taishun plotted against Zhejiang and China. The SNDi of new construction in Taishun peaked in 1991-2005, 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, Taishun's incremental SNDi fell from 2.24 to 1.89 between 1991-2005 and 2006-2020. In terms of the aggregate network, Taishun ranked 11th out of 116 cities in Zhejiang and 235th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
1.89
Rank in China
198th of 1843
Rank in Zhejiang
7th of 116

Entire Network (Aggregate)

SNDi value
2.01
Rank in China
235th of 1843
Rank in Zhejiang
11th 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
TaishunPhu YenDakri

In new street additions, Taishun built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Phù Yên built increasingly disconnected streets over time and Dakri built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Taishun grew more disconnected from 1975 through 1991-2005, then improved, while Phù Yên became progressively more disconnected and Dakri became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Taishun and Phù Yên have been growing further apart in their street-network character since 1975.