Guangchang in context: Street-network sprawl trends

Guangchang in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
GuangchangJiangxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Guangchang plotted against Jiangxi and China. The SNDi of new construction in Guangchang 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, Guangchang's incremental SNDi fell from 2.26 to 2.23 between 1991-2005 and 2006-2020. In terms of the aggregate network, Guangchang ranked 16th out of 82 cities in Jiangxi and 371st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.23
Rank in China
355th of 1843
Rank in Jiangxi
16th of 82

Entire Network (Aggregate)

SNDi value
2.22
Rank in China
371st of 1843
Rank in Jiangxi
16th 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
GuangchangMurtijapurBungoma

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