Shangrao in context: Street-network sprawl trends

Shangrao in context

2.83.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
ShangraoJiangxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Shangrao plotted against Jiangxi and China. While Jiangxi and China both followed a zig-zag trend with an overall increase, Shangrao's new street additions followed a zig-zag trend with an overall increase. Most recently, Shangrao's incremental SNDi rose from 2.77 to 3.07 between 1991-2005 and 2006-2020. In terms of the aggregate network, Shangrao ranked 48th out of 82 cities in Jiangxi and 915th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.07
Rank in China
936th of 1843
Rank in Jiangxi
52nd of 82

Entire Network (Aggregate)

SNDi value
2.87
Rank in China
915th of 1843
Rank in Jiangxi
48th of 82

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
ShangraoPort of SpainRoorkee

In new street additions, Shangrao fluctuated in its street-construction patterns, while Port of Spain built increasingly disconnected streets from 1975 through 1991-2005, then improved and Roorkee built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend. Shangrao and Roorkee have been growing further apart in their street-network character since 1975.