Laiyuan in context: Street-network sprawl trends

Laiyuan in context

3.244.85.6<19751976–19901991–20052006–2020SNDi of street additions
3.244.85.6<19751976–19901991–20052006–2020SNDi of entire street network
LaiyuanHebei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Laiyuan plotted against Hebei and China. The SNDi of new construction in Laiyuan followed a zig-zag trend with an overall increase, 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, Laiyuan's incremental SNDi fell from 5.39 to 5.3 between 1991-2005 and 2006-2020. In terms of the aggregate network, Laiyuan ranked 114th out of 120 cities in Hebei and 1625th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
5.3
Rank in China
1682nd of 1843
Rank in Hebei
115th of 120

Entire Network (Aggregate)

SNDi value
4.31
Rank in China
1625th of 1843
Rank in Hebei
114th of 120

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

What about similarly populated cities?

468<19751976–19901991–20052006–2020SNDi of street additions
468<19751976–19901991–20052006–2020SNDi of entire street network
LaiyuanQila KhudabadanNusaybin

In new street additions, Laiyuan fluctuated in its street-construction patterns, while Qila Khudabadan fluctuated in its street-construction patterns and Nusaybin built increasingly disconnected streets over time. Looking at the full network, Qila Khudabadan and Nusaybin both became progressively more disconnected, while Laiyuan became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Laiyuan and Qila Khudabadan have been converging in their street-network character since 1975.