Hyangsan in context: Street-network sprawl trends

Hyangsan in context

6810<19751976–19901991–20052006–2020SNDi of street additions
6810<19751976–19901991–20052006–2020SNDi of entire street network
HyangsanP'yongan-bukto (Region)North Korea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Hyangsan plotted against P'yŏngan-bukto and North Korea. The SNDi of new construction in Hyangsan followed a zig-zag trend with an overall increase, compared to P'yŏngan-bukto which rose steadily and North Korea which peaked in 1976-1990. Most recently, Hyangsan's incremental SNDi rose from 6.99 to 10.75 between 1991-2005 and 2006-2020. In terms of the aggregate network, Hyangsan ranked 14th out of 16 cities in P'yŏngan-bukto and 83rd out of 92 in North Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
10.75
Rank in North Korea
86th of 92
Rank in P'yŏngan-bukto
15th of 16

Entire Network (Aggregate)

SNDi value
7.36
Rank in North Korea
83rd of 92
Rank in P'yŏngan-bukto
14th of 16

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

What about similarly populated cities?

369<19751976–19901991–20052006–2020SNDi of street additions
369<19751976–19901991–20052006–2020SNDi of entire street network
HyangsanNakhon PhanomSwakopmund

In new street additions, Hyangsan fluctuated in its street-construction patterns, while Nakhon Phanom built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Swakopmund built increasingly connected streets over time. For the full network, Hyangsan became progressively more disconnected, while Nakhon Phanom became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Swakopmund became progressively more connected.