Taizhou in context: Street-network sprawl trends

Taizhou 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
TaizhouZhejiang (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Taizhou plotted against Zhejiang and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Taizhou's incremental SNDi rose from 2.92 to 3.28 between 1991-2005 and 2006-2020. In terms of the aggregate network, Taizhou ranked 67th out of 116 cities in Zhejiang as of 2020.

New Street Additions (2006–2020)

SNDi value
3.28
Rank in Zhejiang
71st of 116

Entire Network (Aggregate)

SNDi value
2.98
Rank in Zhejiang
67th of 116

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
TaizhouLiuzhouTarogong

Taizhou, Liuzhou, and Tarogong all fluctuated in its street-construction patterns in new street construction. The same pattern holds for the full street network. Notably, Taizhou had a more connected network than Liuzhou in 1975 but the two have since reversed their relative ranking.