Anji in context: Street-network sprawl trends

Anji in context

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
AnjiZhejiang (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Anji plotted against Zhejiang and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Anji's incremental SNDi rose from 1.73 to 2.05 between 1991-2005 and 2006-2020. In terms of the aggregate network, Anji ranked 3rd out of 116 cities in Zhejiang and 178th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.05
Rank in China
273rd of 1843
Rank in Zhejiang
10th of 116

Entire Network (Aggregate)

SNDi value
1.9
Rank in China
178th of 1843
Rank in Zhejiang
3rd of 116

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

What about similarly populated cities?

234<19751976–19901991–20052006–2020SNDi of street additions
234<19751976–19901991–20052006–2020SNDi of entire street network
AnjiHararXinyi

In new street additions, Anji and Harar both fluctuated in its street-construction patterns, while Xinyi fluctuated in its street-construction patterns. For the full network, Anji and Harar both became progressively more disconnected, while Xinyi fluctuated in connectivity. Anji and Xinyi have been converging in their street-network character since 1975.