Diaobingshan in context: Street-network sprawl trends

Diaobingshan in context

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
DiaobingshanLiaoning (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Diaobingshan plotted against Liaoning and China. The SNDi of new construction in Diaobingshan peaked in 1976-1990, compared to Liaoning which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Diaobingshan's incremental SNDi fell from 2.51 to 1.9 between 1991-2005 and 2006-2020. In terms of the aggregate network, Diaobingshan ranked 30th out of 61 cities in Liaoning and 683rd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
1.9
Rank in China
202nd of 1843
Rank in Liaoning
10th of 61

Entire Network (Aggregate)

SNDi value
2.63
Rank in China
683rd of 1843
Rank in Liaoning
30th of 61

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
DiaobingshanHengzhouMuara Bungo

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