Liling in context: Street-network sprawl trends

Liling in context

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
LilingHunan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Liling plotted against Hunan and China. The SNDi of new construction in Liling peaked in 1976-1990, compared to Hunan which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Liling's incremental SNDi fell from 3.64 to 2.95 between 1991-2005 and 2006-2020. In terms of the aggregate network, Liling ranked 63rd out of 89 cities in Hunan and 1386th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.95
Rank in China
853rd of 1843
Rank in Hunan
46th of 89

Entire Network (Aggregate)

SNDi value
3.53
Rank in China
1386th of 1843
Rank in Hunan
63rd of 89

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
LilingGdanskHamhung

In new street additions, Liling built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Gdansk built increasingly disconnected streets over time and Hamhung built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Liling grew more disconnected from 1975 through 1976-1990, then improved, while Gdansk became progressively more disconnected and Hamhung grew more disconnected from 1975 through 1991-2005, then improved.