Haeju in context: Street-network sprawl trends

Haeju in context

3.64.55.46.3<19751976–19901991–20052006–2020SNDi of street additions
3.64.55.46.3<19751976–19901991–20052006–2020SNDi of entire street network
HaejuHwanghae-namdo (Region)North Korea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Haeju plotted against Hwanghae-namdo and North Korea. While Hwanghae-namdo and North Korea both peaked in 1976-1990, Haeju's new street additions peaked in 1976-1990. Most recently, Haeju's incremental SNDi fell from 4.17 to 3.5 between 1991-2005 and 2006-2020. In terms of the aggregate network, Haeju ranked 9th out of 15 cities in Hwanghae-namdo and 24th out of 92 in North Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
3.5
Rank in North Korea
18th of 92
Rank in Hwanghae-namdo
5th of 15

Entire Network (Aggregate)

SNDi value
4.44
Rank in North Korea
24th of 92
Rank in Hwanghae-namdo
9th of 15

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
HaejuGulouJiangyan

In new street additions, Gulou and Jiangyan both built increasingly disconnected streets over time, while Haeju built increasingly disconnected streets from 1975 through 1976-1990, then improved. Looking at the full network, Gulou and Jiangyan both became progressively more disconnected, while Haeju grew more disconnected from 1975 through 1976-1990, then improved. Haeju and Jiangyan have been converging in their street-network character since 1975.