Leping in context: Street-network sprawl trends

Leping in context

3.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
3.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
LepingJiangxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Leping plotted against Jiangxi and China. The SNDi of new construction in Leping 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, Leping's incremental SNDi fell from 4.01 to 3.29 between 1991-2005 and 2006-2020. In terms of the aggregate network, Leping ranked 73rd out of 82 cities in Jiangxi as of 2020.

New Street Additions (2006–2020)

SNDi value
3.29
Rank in Jiangxi
60th of 82

Entire Network (Aggregate)

SNDi value
3.86
Rank in Jiangxi
73rd of 82

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

What about similarly populated cities?

2.83.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
LepingPoltavaOrai

In new street additions, Leping built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Poltava built increasingly disconnected streets over time and Orai fluctuated in its street-construction patterns. Looking at the full network, Poltava and Orai both became progressively more disconnected, while Leping grew more disconnected from 1975 through 1991-2005, then improved. Notably, Leping had a more sprawly network than Orai in 1975 but the two have since reversed their relative ranking.