Ruijin in context: Street-network sprawl trends

Ruijin in context

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
RuijinJiangxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ruijin plotted against Jiangxi and China. While Jiangxi and China both followed a zig-zag trend with an overall increase, Ruijin's new street additions followed a zig-zag trend with an overall increase. Most recently, Ruijin's incremental SNDi rose from 2.2 to 2.69 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ruijin ranked 32nd out of 82 cities in Jiangxi and 686th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.69
Rank in China
649th of 1843
Rank in Jiangxi
33rd of 82

Entire Network (Aggregate)

SNDi value
2.63
Rank in China
686th of 1843
Rank in Jiangxi
32nd of 82

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

What about similarly populated cities?

1.522.533.5<19751976–19901991–20052006–2020SNDi of street additions
1.522.533.5<19751976–19901991–20052006–2020SNDi of entire street network
RuijinDeir Ez ZorLin'an District

In new street additions, Ruijin and Lin'an District both fluctuated in its street-construction patterns, while Deir Ez Zor built increasingly disconnected streets from 1975 through 1991-2005, then improved. Looking at the full network, Deir Ez Zor and Lin'an District both became progressively more disconnected, while Ruijin fluctuated in connectivity. Notably, Ruijin had a more sprawly network than Lin'an District in 1975 but the two have since reversed their relative ranking.