Comparisons
Hwanghae-bukto vs. the other two most closely populated regions in North Korea: Kangwon-do and Hwanghae-namdo
Hwanghae-bukto in context: Street-network sprawl of new development
The level of street-network sprawl in new development in Hwanghae-bukto followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in Hwanghae-bukto, we can consider three of its most populous cities: Sariwon, Songnim and Phyongsan. Out of the three cities, Sariwon and Phyongsan do not follow the same trend as the region. The level of street-network sprawl in new development in Sariwon peaked in 1991-2005. The level of street-network sprawl in new development in Phyongsan peaked in 1991-2005.
How do development practices in Hwanghae-bukto fare in comparison to others in North Korea? Most recently in 2006-2020, street construction in Hwanghae-bukto was the 7th-most disconnected out of the 13 regions in North Korea. Its position in the ranks since 1975 has fallen; relative to other regions in North Korea, street construction in Hwanghae-bukto has become more connected. Hwanghae-bukto ranked 2nd in 1975, 4th in 1976-1990, 3rd in 1991-2005 and 7th in 2006-2020.
Hwanghae-bukto in context: Aggregate street-network sprawl
As of 2020, the city with the most disconnected street network in Hwanghae-bukto is Phyongsan with an SNDi of 6.59, which is very sprawly. Conversely, the most connected city is Sariwon with an SNDi of 4.02, which is sprawly. See trends for these cities: Sariwon, Phyongsan
The level of street-network sprawl in the aggregate network in Hwanghae-bukto rose steadily. To get a sense of how the aggregate street network has changed in Hwanghae-bukto, we can consider three of its most populous cities: Sariwon, Songnim and Phyongsan. Out of the three cities, Sariwon and Phyongsan do not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Sariwon peaked in 1991-2005. The level of street-network sprawl in the aggregate network in Phyongsan peaked in 1991-2005.
To date, Hwanghae-bukto is the 3rd-most disconnected out of the 13 regions in North Korea. Its position in the ranks since 1975 has fallen; relative to other regions in North Korea, the street network in Hwanghae-bukto has become more connected. Hwanghae-bukto ranked 2nd in 1975, 3rd in 1976-1990, 3rd in 1991-2005 and 3rd in 2006-2020.