Suxi in context: Street-network sprawl trends

Suxi in context

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
SuxiZhejiang (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Suxi plotted against Zhejiang and China. The SNDi of new construction in Suxi peaked in 1991-2005, 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, Suxi's incremental SNDi fell from 2.93 to 2.51 between 1991-2005 and 2006-2020. In terms of the aggregate network, Suxi ranked 58th out of 116 cities in Zhejiang and 821st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.51
Rank in China
522nd of 1843
Rank in Zhejiang
33rd of 116

Entire Network (Aggregate)

SNDi value
2.77
Rank in China
821st of 1843
Rank in Zhejiang
58th of 116

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

What about similarly populated cities?

1.21.82.43<19751976–19901991–20052006–2020SNDi of street additions
1.21.82.43<19751976–19901991–20052006–2020SNDi of entire street network
SuxiTchadouaJdaydet Artooz

In new street additions, Suxi built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Tchadoua fluctuated in its street-construction patterns and Jdaydet Artooz built increasingly disconnected streets over time. For the full network, Suxi grew more disconnected from 1975 through 1991-2005, then improved, while Tchadoua fluctuated in connectivity and Jdaydet Artooz became progressively more disconnected.