Jaeryong in context: Street-network sprawl trends

Jaeryong in context

5678<19751976–19901991–20052006–2020SNDi of street additions
5678<19751976–19901991–20052006–2020SNDi of entire street network
JaeryongHwanghae-namdo (Region)North Korea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jaeryong plotted against Hwanghae-namdo and North Korea. The SNDi of new construction in Jaeryong rose steadily, compared to Hwanghae-namdo which followed a zig-zag trend with an overall increase and North Korea which peaked in 1976-1990. Most recently, Jaeryong's incremental SNDi rose from 7.73 to 8.22 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jaeryong ranked 13th out of 15 cities in Hwanghae-namdo and 45th out of 92 in North Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
8.22
Rank in North Korea
78th of 92
Rank in Hwanghae-namdo
12th of 15

Entire Network (Aggregate)

SNDi value
5.04
Rank in North Korea
45th of 92
Rank in Hwanghae-namdo
13th of 15

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

What about similarly populated cities?

36912<19751976–19901991–20052006–2020SNDi of street additions
36912<19751976–19901991–20052006–2020SNDi of entire street network
JaeryongAzaraEidgaon

In new street additions, Jaeryong and Azara both built increasingly disconnected streets over time, while Eidgaon built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Jaeryong and Azara both became progressively more disconnected, while Eidgaon became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards.