Wu'an in context: Street-network sprawl trends

Wu'an in context

2.83.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
Wu'anHebei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Wu'an plotted against Hebei and China. The SNDi of new construction in Wu'an rose steadily, 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, Wu'an's incremental SNDi rose from 3.89 to 5.28 between 1991-2005 and 2006-2020. In terms of the aggregate network, Wu'an ranked 99th out of 120 cities in Hebei and 1463rd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
5.28
Rank in China
1673rd of 1843
Rank in Hebei
114th of 120

Entire Network (Aggregate)

SNDi value
3.69
Rank in China
1463rd of 1843
Rank in Hebei
99th of 120

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
Wu'anAsakaFukui

While Asaka and Fukui both fluctuated in its street-construction patterns, Wu'an built increasingly disconnected streets over time in new street additions. For the full street network, though, all three cities follow the same trend. Wu'an and Asaka have been growing further apart in their street-network character since 1975.