Pukchang in context: Street-network sprawl trends

Pukchang in context

5.66.37<19751976–19901991–20052006–2020SNDi of street additions
5.66.37<19751976–19901991–20052006–2020SNDi of entire street network
PukchangP'yongan-namdo (Region)North Korea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Pukchang plotted against P'yŏngan-namdo and North Korea. The SNDi of new construction in Pukchang followed a zig-zag trend with an overall decrease, compared to P'yŏngan-namdo which followed a zig-zag trend with an overall increase and North Korea which peaked in 1976-1990. Most recently, Pukchang's incremental SNDi fell from 6.81 to 6.3 between 1991-2005 and 2006-2020. In terms of the aggregate network, Pukchang ranked 18th out of 21 cities in P'yŏngan-namdo and 80th out of 92 in North Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
6.3
Rank in North Korea
65th of 92
Rank in P'yŏngan-namdo
16th of 21

Entire Network (Aggregate)

SNDi value
6.72
Rank in North Korea
80th of 92
Rank in P'yŏngan-namdo
18th of 21

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

What about similarly populated cities?

246810<19751976–19901991–20052006–2020SNDi of street additions
246810<19751976–19901991–20052006–2020SNDi of entire street network
PukchangKanyabayongaAndria

In new street additions, Pukchang fluctuated in its street-construction patterns, while Kanyabayonga built increasingly disconnected streets over time and Andria built increasingly disconnected streets from 1975 through 1991-2005, then improved. Looking at the full network, Kanyabayonga and Andria both became progressively more disconnected, while Pukchang became progressively more connected. Notably, Pukchang had a more sprawly network than Kanyabayonga in 1975 but the two have since reversed their relative ranking.