Lingyuan in context: Street-network sprawl trends

Lingyuan 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
LingyuanLiaoning (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Lingyuan plotted against Liaoning and China. The SNDi of new construction in Lingyuan peaked in 1991-2005, 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, Lingyuan's incremental SNDi fell from 3.21 to 3.07 between 1991-2005 and 2006-2020. In terms of the aggregate network, Lingyuan ranked 11th out of 61 cities in Liaoning and 274th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.07
Rank in China
932nd of 1843
Rank in Liaoning
32nd of 61

Entire Network (Aggregate)

SNDi value
2.1
Rank in China
274th of 1843
Rank in Liaoning
11th of 61

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
LingyuanShulanLalgola

In new street additions, Lingyuan built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Shulan built increasingly disconnected streets from 1975 through 1976-1990, then improved and Lalgola fluctuated in its street-construction patterns. For the full network, Lingyuan became progressively more disconnected, while Shulan grew more disconnected from 1975 through 1991-2005, then improved and Lalgola fluctuated in connectivity.