Huzhou in context: Street-network sprawl trends

Huzhou in context

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
HuzhouZhejiang (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Huzhou plotted against Zhejiang and China. The SNDi of new construction in Huzhou rose steadily, compared to Zhejiang which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Huzhou's incremental SNDi rose from 2.82 to 2.89 between 1991-2005 and 2006-2020. In terms of the aggregate network, Huzhou ranked 41st out of 116 cities in Zhejiang and 682nd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.89
Rank in China
807th of 1843
Rank in Zhejiang
52nd of 116

Entire Network (Aggregate)

SNDi value
2.62
Rank in China
682nd of 1843
Rank in Zhejiang
41st of 116

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
HuzhouLongyanPietermaritzburg

In new street additions, Huzhou and Pietermaritzburg both built increasingly disconnected streets over time, while Longyan fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Huzhou and Longyan have been converging in their street-network character since 1975.