Zhaogezhuang in context: Street-network sprawl trends

Zhaogezhuang 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
ZhaogezhuangHebei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Zhaogezhuang plotted against Hebei and China. The SNDi of new construction in Zhaogezhuang peaked in 1991-2005, 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, Zhaogezhuang's incremental SNDi fell from 4.19 to 2.18 between 1991-2005 and 2006-2020. In terms of the aggregate network, Zhaogezhuang ranked 49th out of 120 cities in Hebei and 826th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.18
Rank in China
323rd of 1843
Rank in Hebei
12th of 120

Entire Network (Aggregate)

SNDi value
2.78
Rank in China
826th of 1843
Rank in Hebei
49th of 120

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
ZhaogezhuangSuphan BuriSan Luis de la Paz

In new street additions, Zhaogezhuang built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Suphan Buri built increasingly disconnected streets over time and San Luis de la Paz fluctuated in its street-construction patterns. For the full network, Zhaogezhuang grew more disconnected from 1975 through 1991-2005, then improved, while Suphan Buri became progressively more disconnected and San Luis de la Paz fluctuated in connectivity. Notably, Zhaogezhuang had a more connected network than San Luis de la Paz in 1975 but the two have since reversed their relative ranking.