Lingshou in context: Street-network sprawl trends

Lingshou in context

2.43.24<19751976–19901991–20052006–2020SNDi of street additions
2.43.24<19751976–19901991–20052006–2020SNDi of entire street network
LingshouHebei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Lingshou plotted against Hebei and China. The SNDi of new construction in Lingshou peaked in 1976-1990, compared to Hebei which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Lingshou's incremental SNDi fell from 2.33 to 2.0 between 1991-2005 and 2006-2020. In terms of the aggregate network, Lingshou ranked 12th out of 120 cities in Hebei and 328th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.0
Rank in China
245th of 1843
Rank in Hebei
9th of 120

Entire Network (Aggregate)

SNDi value
2.17
Rank in China
328th of 1843
Rank in Hebei
12th of 120

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

What about similarly populated cities?

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
LingshouChanchalNahavand

In new street additions, Lingshou built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Chanchal built increasingly disconnected streets from 1975 through 1991-2005, then improved and Nahavand built increasingly disconnected streets over time. For the full network, Lingshou and Chanchal both grew more disconnected from 1975 through 1991-2005, then improved, while Nahavand became progressively more disconnected. Lingshou and Chanchal have been growing further apart in their street-network character since 1975.