Chongfu in context: Street-network sprawl trends

Chongfu in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
ChongfuZhejiang (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Chongfu plotted against Zhejiang and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Chongfu's incremental SNDi rose from 2.02 to 2.14 between 1991-2005 and 2006-2020. In terms of the aggregate network, Chongfu ranked 17th out of 116 cities in Zhejiang and 327th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.14
Rank in China
314th of 1843
Rank in Zhejiang
14th of 116

Entire Network (Aggregate)

SNDi value
2.17
Rank in China
327th of 1843
Rank in Zhejiang
17th of 116

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
ChongfuCai DauYetouzi

In new street additions, Chongfu fluctuated in its street-construction patterns, while Cái Dầu built increasingly disconnected streets over time and Yetouzi fluctuated in its street-construction patterns. For the full network, Chongfu grew more disconnected from 1975 through 1976-1990, then improved, while Cái Dầu became progressively more disconnected and Yetouzi fluctuated in connectivity. Chongfu and Cái Dầu have been growing further apart in their street-network character since 1975.