Dongxiang in context: Street-network sprawl trends

Dongxiang in context

1.82.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
DongxiangJiangxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dongxiang plotted against Jiangxi and China. The SNDi of new construction in Dongxiang was at its lowest in 1976-1990, compared to Jiangxi which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Dongxiang's incremental SNDi rose from 2.15 to 2.63 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dongxiang ranked 20th out of 82 cities in Jiangxi and 495th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.63
Rank in China
612th of 1843
Rank in Jiangxi
30th of 82

Entire Network (Aggregate)

SNDi value
2.37
Rank in China
495th of 1843
Rank in Jiangxi
20th of 82

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

What about similarly populated cities?

1.42.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
DongxiangSyracuseMasaya

In new street additions, Dongxiang built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Syracuse built increasingly disconnected streets from 1975 through 1991-2005, then improved and Masaya built increasingly disconnected streets over time. Looking at the full network, Syracuse and Masaya both became progressively more disconnected, while Dongxiang became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Dongxiang and Masaya have been converging in their street-network character since 1975.