Hedong in context: Street-network sprawl trends

Hedong 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
HedongJiangxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Hedong plotted against Jiangxi and China. While Jiangxi and China both followed a zig-zag trend with an overall increase, Hedong's new street additions followed a zig-zag trend with an overall increase. Most recently, Hedong's incremental SNDi rose from 2.59 to 3.17 between 1991-2005 and 2006-2020. In terms of the aggregate network, Hedong ranked 46th out of 82 cities in Jiangxi and 878th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.17
Rank in China
986th of 1843
Rank in Jiangxi
56th of 82

Entire Network (Aggregate)

SNDi value
2.82
Rank in China
878th of 1843
Rank in Jiangxi
46th of 82

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

What about similarly populated cities?

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
HedongMeichuanAvare

In new street additions, Hedong fluctuated in its street-construction patterns, while Meichuan fluctuated in its street-construction patterns and Avaré built increasingly disconnected streets over time. For the full network, Hedong fluctuated in connectivity, while Meichuan became progressively more connected and Avaré became progressively more disconnected. Notably, Hedong had a more connected network than Meichuan in 1975 but the two have since reversed their relative ranking.