Tangqi in context: Street-network sprawl trends

Tangqi 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
TangqiZhejiang (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Tangqi plotted against Zhejiang and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Tangqi's incremental SNDi rose from 4.02 to 5.13 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tangqi ranked 98th out of 116 cities in Zhejiang and 1664th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
5.13
Rank in China
1658th of 1843
Rank in Zhejiang
107th of 116

Entire Network (Aggregate)

SNDi value
4.56
Rank in China
1664th of 1843
Rank in Zhejiang
98th of 116

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
TangqiKaduqliRafaela

Tangqi, Kaduqli, and Rafaela all fluctuated in its street-construction patterns in new street construction. Looking at the full network, Kaduqli and Rafaela both became progressively more disconnected, while Tangqi fluctuated in connectivity.