Qingyang in context: Street-network sprawl trends

Qingyang in context

33.544.5<19751976–19901991–20052006–2020SNDi of street additions
33.544.5<19751976–19901991–20052006–2020SNDi of entire street network
QingyangJiangsu (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Qingyang plotted against Jiangsu and China. The SNDi of new construction in Qingyang peaked in 1976-1990, compared to Jiangsu which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Qingyang's incremental SNDi fell from 3.96 to 3.6 between 1991-2005 and 2006-2020. In terms of the aggregate network, Qingyang ranked 87th out of 101 cities in Jiangsu as of 2020.

New Street Additions (2006–2020)

SNDi value
3.6
Rank in Jiangsu
77th of 101

Entire Network (Aggregate)

SNDi value
3.84
Rank in Jiangsu
87th of 101

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

What about similarly populated cities?

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
QingyangM'SakenPervomaisk

In new street additions, Qingyang built increasingly disconnected streets from 1975 through 1976-1990, then improved, while M'Saken built increasingly connected streets over time and Pervomaisk built increasingly disconnected streets over time. For the full network, Qingyang grew more disconnected from 1975 through 1976-1990, then improved, while M'Saken became progressively more connected and Pervomaisk became progressively more disconnected. Qingyang and M'Saken have been growing further apart in their street-network character since 1975.