Wenzhou in context: Street-network sprawl trends

Wenzhou in context

33.544.5<19751976–19901991–20052006–2020SNDi of street additions
33.544.5<19751976–19901991–20052006–2020SNDi of entire street network
WenzhouZhejiang (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Wenzhou plotted against Zhejiang and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Wenzhou's incremental SNDi rose from 3.03 to 3.11 between 1991-2005 and 2006-2020. In terms of the aggregate network, Wenzhou ranked 68th out of 116 cities in Zhejiang and 1030th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.11
Rank in China
947th of 1843
Rank in Zhejiang
69th of 116

Entire Network (Aggregate)

SNDi value
3.0
Rank in China
1030th of 1843
Rank in Zhejiang
68th of 116

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
WenzhouIslamabadCasablanca

Wenzhou, Islamabad, and Casablanca all fluctuated in its street-construction patterns in new street construction. The same pattern holds for the full street network. Wenzhou and Islamabad have been growing further apart in their street-network character since 1975.