Dexing in context: Street-network sprawl trends

Dexing 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
DexingJiangxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dexing plotted against Jiangxi and China. The SNDi of new construction in Dexing rose steadily, compared to Jiangxi which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Dexing's incremental SNDi rose from 2.91 to 3.55 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dexing ranked 53rd out of 82 cities in Jiangxi and 1057th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.55
Rank in China
1173rd of 1843
Rank in Jiangxi
63rd of 82

Entire Network (Aggregate)

SNDi value
3.03
Rank in China
1057th of 1843
Rank in Jiangxi
53rd 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
DexingTiaongTitlagarh

Dexing, Tiaong, and Titlagarh all built increasingly disconnected streets over time in new street construction. The same pattern holds for the full street network. Dexing and Tiaong have been growing further apart in their street-network character since 1975.