The level of street-network sprawl in new development in Chagang-do peaked in 1976-1990. To get a sense of how street development has changed in Chagang-do, we can consider three of its most populous cities: Kanggye, Huichon and Manpo. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Kanggye peaked in 1991-2005. The level of street-network sprawl in new development in Huichon peaked in 1991-2005. The level of street-network sprawl in new development in Manpo peaked in 1991-2005.

How do development practices in Chagang-do fare in comparison to others in North Korea? Most recently in 2006-2020, street construction in Chagang-do was the 13th-most disconnected out of the 13 regions in North Korea. Its position in the ranks since 1975 has not changed. Chagang-do ranked 13th in 1975, 13th in 1976-1990, 13th in 1991-2005 and 13th in 2006-2020.

As of 2020, the city with the most disconnected street network in Chagang-do is Manpo with an SNDi of 9.68, which is very sprawly. Conversely, the most connected city is Kanggye with an SNDi of 6.31, which is very sprawly. See trends for these cities: Kanggye, Manpo

The level of street-network sprawl in the aggregate network in Chagang-do rose steadily. To get a sense of how the aggregate street network has changed in Chagang-do, we can consider three of its most populous cities: Kanggye, Huichon and Manpo. Out of the three cities, Huichon does not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Huichon peaked in 1991-2005.

To date, Chagang-do is the 13th-most disconnected out of the 13 regions in North Korea. Its position in the ranks since 1975 has not changed. Chagang-do ranked 13th in 1975, 13th in 1976-1990, 13th in 1991-2005 and 13th in 2006-2020.