Linzhang in context: Street-network sprawl trends

Linzhang in context

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
LinzhangHebei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Linzhang plotted against Hebei and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Linzhang's incremental SNDi rose from 2.42 to 2.49 between 1991-2005 and 2006-2020. In terms of the aggregate network, Linzhang ranked 24th out of 120 cities in Hebei and 481st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.49
Rank in China
507th of 1843
Rank in Hebei
22nd of 120

Entire Network (Aggregate)

SNDi value
2.36
Rank in China
481st of 1843
Rank in Hebei
24th of 120

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

What about similarly populated cities?

1.21.82.43<19751976–19901991–20052006–2020SNDi of street additions
1.21.82.43<19751976–19901991–20052006–2020SNDi of entire street network
LinzhangJablahMingshui

In new street additions, Linzhang and Mingshui both fluctuated in its street-construction patterns, while Jablah built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Linzhang and Jablah both became progressively more disconnected, while Mingshui fluctuated in connectivity. Notably, Linzhang had a more sprawly network than Jablah in 1975 but the two have since reversed their relative ranking.