Ryongampho-rodongjagu in context: Street-network sprawl trends

Ryongampho-rodongjagu in context

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
Ryongampho-rodongjaguP'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 Ryongampho-rodongjagu plotted against P'yŏngan-bukto and North Korea. The SNDi of new construction in Ryongampho-rodongjagu rose steadily, compared to P'yŏngan-bukto which rose steadily and North Korea which peaked in 1976-1990. Most recently, Ryongampho-rodongjagu's incremental SNDi rose from 3.79 to 4.16 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ryongampho-rodongjagu ranked 3rd out of 16 cities in P'yŏngan-bukto and 13th out of 92 in North Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
4.16
Rank in North Korea
29th of 92
Rank in P'yŏngan-bukto
5th of 16

Entire Network (Aggregate)

SNDi value
4.0
Rank in North Korea
13th of 92
Rank in P'yŏngan-bukto
3rd of 16

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

What about similarly populated cities?

1234<19751976–19901991–20052006–2020SNDi of street additions
1234<19751976–19901991–20052006–2020SNDi of entire street network
Ryongampho-rodongjaguRossoshCatacamas

In new street additions, Ryongampho-rodongjagu and Catacamas both built increasingly disconnected streets over time, while Rossosh built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Ryongampho-rodongjagu and Catacamas both became progressively more disconnected, while Rossosh became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Notably, Ryongampho-rodongjagu had a more connected network than Rossosh in 1975 but the two have since reversed their relative ranking.