해안2동 in context: Street-network sprawl trends

haean2dong in context

5.66.377.7<19751976–19901991–20052006–2020SNDi of street additions
5.66.377.7<19751976–19901991–20052006–2020SNDi of entire street network
haean2dongHamgyong-namdo (Region)North Korea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with 해안2동 plotted against Hamgyŏng-namdo and North Korea. The SNDi of new construction in 해안2동 peaked in 1991-2005, compared to Hamgyŏng-namdo which peaked in 1991-2005 and North Korea which peaked in 1976-1990. Most recently, 해안2동's incremental SNDi fell from 7.6 to 6.45 between 1991-2005 and 2006-2020. In terms of the aggregate network, 해안2동 ranked 9th out of 11 cities in Hamgyŏng-namdo and 67th out of 92 in North Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
6.45
Rank in North Korea
67th of 92
Rank in Hamgyŏng-namdo
11th of 11

Entire Network (Aggregate)

SNDi value
5.84
Rank in North Korea
67th of 92
Rank in Hamgyŏng-namdo
9th of 11

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
haean2dongAmbasamudramRaleigh

While Ambasamudram and Raleigh both built increasingly disconnected streets over time, 해안2동 built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street additions. For the full street network, though, all three cities follow the same trend.