Hoeryong in context: Street-network sprawl trends

Hoeryong in context

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
HoeryongHamgyong-bukto (Region)North Korea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Hoeryong plotted against Hamgyŏng-bukto and North Korea. The SNDi of new construction in Hoeryong followed a zig-zag trend with an overall decrease, compared to Hamgyŏng-bukto which followed a zig-zag trend with an overall increase and North Korea which peaked in 1976-1990. Most recently, Hoeryong's incremental SNDi rose from 2.24 to 3.84 between 1991-2005 and 2006-2020. In terms of the aggregate network, Hoeryong ranked 3rd out of 8 cities in Hamgyŏng-bukto and 28th out of 92 in North Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
3.84
Rank in North Korea
25th of 92
Rank in Hamgyŏng-bukto
3rd of 8

Entire Network (Aggregate)

SNDi value
4.64
Rank in North Korea
28th of 92
Rank in Hamgyŏng-bukto
3rd of 8

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
HoeryongBhamoSironj

In new street additions, Hoeryong fluctuated in its street-construction patterns, while Bhamo built increasingly disconnected streets over time and Sironj built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Hoeryong grew more disconnected from 1975 through 1976-1990, then improved, while Bhamo became progressively more disconnected and Sironj grew more disconnected from 1975 through 1991-2005, then improved. Hoeryong and Bhamo have been converging in their street-network character since 1975.