Chaisang in context: Street-network sprawl trends

Chaisang in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
ChaisangJiangxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Chaisang plotted against Jiangxi and China. The SNDi of new construction in Chaisang peaked 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, Chaisang's incremental SNDi fell from 3.19 to 3.12 between 1991-2005 and 2006-2020. In terms of the aggregate network, Chaisang ranked 56th out of 82 cities in Jiangxi and 1073rd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.12
Rank in China
954th of 1843
Rank in Jiangxi
55th of 82

Entire Network (Aggregate)

SNDi value
3.05
Rank in China
1073rd of 1843
Rank in Jiangxi
56th of 82

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
ChaisangKe SatUnai

In new street additions, Chaisang built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Kẻ Sặt built increasingly disconnected streets from 1975 through 1991-2005, then improved and Unaí built increasingly disconnected streets over time. For the full network, Chaisang and Unaí both became progressively more disconnected, while Kẻ Sặt grew more disconnected from 1975 through 1991-2005, then improved. Chaisang and Unaí have been growing further apart in their street-network character since 1975.