Kyongsong in context: Street-network sprawl trends

Kyongsong in context

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
KyongsongHamgyong-bukto (Region)North Korea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kyongsong plotted against Hamgyŏng-bukto and North Korea. While Hamgyŏng-bukto and North Korea both peaked in 1976-1990, Kyongsong's new street additions peaked in 1976-1990. Most recently, Kyongsong's incremental SNDi fell from 4.55 to 2.06 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kyongsong ranked 2nd out of 8 cities in Hamgyŏng-bukto and 20th out of 92 in North Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
2.06
Rank in North Korea
5th of 92
Rank in Hamgyŏng-bukto
1st of 8

Entire Network (Aggregate)

SNDi value
4.16
Rank in North Korea
20th of 92
Rank in Hamgyŏng-bukto
2nd of 8

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
KyongsongKhutsongYihuang

In new street additions, Kyongsong built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Khutsong built increasingly disconnected streets over time and Yihuang built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Kyongsong grew more disconnected from 1975 through 1991-2005, then improved, while Khutsong became progressively more disconnected and Yihuang became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Kyongsong and Yihuang have been growing further apart in their street-network character since 1975.