Xianju County in context: Street-network sprawl trends

Xianju County 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
Xianju CountyZhejiang (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Xianju County plotted against Zhejiang and China. The SNDi of new construction in Xianju County followed a zig-zag trend with an overall decrease, 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, Xianju County's incremental SNDi fell from 2.49 to 2.04 between 1991-2005 and 2006-2020. In terms of the aggregate network, Xianju County ranked 23rd out of 116 cities in Zhejiang and 383rd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.04
Rank in China
271st of 1843
Rank in Zhejiang
9th of 116

Entire Network (Aggregate)

SNDi value
2.24
Rank in China
383rd of 1843
Rank in Zhejiang
23rd of 116

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

What about similarly populated cities?

36912<19751976–19901991–20052006–2020SNDi of street additions
36912<19751976–19901991–20052006–2020SNDi of entire street network
Xianju CountyMaleShibpur

In new street additions, Xianju County fluctuated in street-construction patterns, while Malé fluctuated in street-construction patterns and Shibpur built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Xianju County fluctuated in connectivity, while Malé grew more disconnected from 1975 through 1976-1990, then improved and Shibpur became progressively more disconnected. Xianju County and Malé have been growing further apart in their street-network character since 1975.