Lichuan in context: Street-network sprawl trends

Lichuan in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Lichuan plotted against Jiangxi and China. The SNDi of new construction in Lichuan peaked in 1991-2005, compared to Jiangxi which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Lichuan's incremental SNDi fell from 2.62 to 1.97 between 1991-2005 and 2006-2020. In terms of the aggregate network, Lichuan ranked 11th out of 82 cities in Jiangxi as of 2020.

New Street Additions (2006–2020)

SNDi value
1.97
Rank in Jiangxi
11th of 82

Entire Network (Aggregate)

SNDi value
2.13
Rank in Jiangxi
11th of 82

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

What about similarly populated cities?

1.522.53<19751976–19901991–20052006–2020SNDi of street additions
1.522.53<19751976–19901991–20052006–2020SNDi of entire street network
LichuanAjagbaXixiang

While Ajagba and Xixiang both fluctuated in its street-construction patterns, Lichuan built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street additions. Looking at the full network, Ajagba and Xixiang both fluctuated in connectivity, while Lichuan grew more disconnected from 1975 through 1991-2005, then improved.