Musan in context: Street-network sprawl trends

Musan in context

4.85.66.47.2<19751976–19901991–20052006–2020SNDi of street additions
4.85.66.47.2<19751976–19901991–20052006–2020SNDi of entire street network
MusanHamgyong-bukto (Region)North Korea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Musan plotted against Hamgyŏng-bukto and North Korea. While Hamgyŏng-bukto and North Korea both peaked in 1976-1990, Musan's new street additions peaked in 1976-1990. Most recently, Musan's incremental SNDi fell from 6.03 to 5.62 between 1991-2005 and 2006-2020. In terms of the aggregate network, Musan ranked 8th out of 8 cities in Hamgyŏng-bukto and 66th out of 92 in North Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
5.62
Rank in North Korea
52nd of 92
Rank in Hamgyŏng-bukto
7th of 8

Entire Network (Aggregate)

SNDi value
5.79
Rank in North Korea
66th of 92
Rank in Hamgyŏng-bukto
8th of 8

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
MusanWuxingFenyi

In new street additions, Musan and Wuxing both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Fenyi built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Musan and Wuxing both grew more disconnected from 1975 through 1976-1990, then improved, while Fenyi became progressively more connected. Musan and Wuxing have been growing further apart in their street-network character since 1975.