Kowon in context: Street-network sprawl trends

Kowon in context

4567<19751976–19901991–20052006–2020SNDi of street additions
4567<19751976–19901991–20052006–2020SNDi of entire street network
KowonHamgyong-namdo (Region)North Korea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kowon plotted against Hamgyŏng-namdo and North Korea. The SNDi of new construction in Kowon followed a zig-zag trend with an overall increase, compared to Hamgyŏng-namdo which peaked in 1991-2005 and North Korea which peaked in 1976-1990. Most recently, Kowon's incremental SNDi rose from 4.39 to 4.9 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kowon ranked 2nd out of 11 cities in Hamgyŏng-namdo and 22nd out of 92 in North Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
4.9
Rank in North Korea
43rd of 92
Rank in Hamgyŏng-namdo
6th of 11

Entire Network (Aggregate)

SNDi value
4.38
Rank in North Korea
22nd of 92
Rank in Hamgyŏng-namdo
2nd of 11

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
KowonBangarapeteFengtai

In new street additions, Kowon fluctuated in its street-construction patterns, while Bangarapete built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Fengtai built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Kowon fluctuated in connectivity, while Bangarapete became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Fengtai became progressively more disconnected. Notably, Kowon had a more connected network than Bangarapete in 1975 but the two have since reversed their relative ranking.