Dongguang in context: Street-network sprawl trends

Dongguang in context

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
DongguangHebei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dongguang plotted against Hebei and China. The SNDi of new construction in Dongguang 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, Dongguang's incremental SNDi fell from 3.65 to 2.66 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dongguang ranked 43rd out of 120 cities in Hebei and 717th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.66
Rank in China
631st of 1843
Rank in Hebei
34th of 120

Entire Network (Aggregate)

SNDi value
2.66
Rank in China
717th of 1843
Rank in Hebei
43rd of 120

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
DongguangChefchaouenMiri

Dongguang, Chefchaouen, and Miri all built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street construction. For the full network, Dongguang and Chefchaouen both grew more disconnected from 1975 through 1991-2005, then improved, while Miri became progressively more disconnected. Dongguang and Chefchaouen have been converging in their street-network character since 1975.