Yuhuan in context: Street-network sprawl trends

Yuhuan in context

3.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
3.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
YuhuanZhejiang (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yuhuan plotted against Zhejiang and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Yuhuan's incremental SNDi rose from 4.57 to 4.97 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yuhuan ranked 103rd out of 116 cities in Zhejiang and 1697th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
4.97
Rank in China
1627th of 1843
Rank in Zhejiang
104th of 116

Entire Network (Aggregate)

SNDi value
4.78
Rank in China
1697th of 1843
Rank in Zhejiang
103rd of 116

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

What about similarly populated cities?

4.24.85.46<19751976–19901991–20052006–2020SNDi of street additions
4.24.85.46<19751976–19901991–20052006–2020SNDi of entire street network
YuhuanQudsayyaAl-Wasitah

In new street additions, Yuhuan fluctuated in its street-construction patterns, while Qudsayya built increasingly disconnected streets from 1975 through 1976-1990, then improved and Al-Wasitah built increasingly disconnected streets over time. For the full network, Yuhuan fluctuated in connectivity, while Qudsayya grew more disconnected from 1975 through 1976-1990, then improved and Al-Wasitah became progressively more disconnected. Yuhuan and Al-Wasitah have been converging in their street-network character since 1975.