Jongju in context: Street-network sprawl trends

Jongju in context

4567<19751976–19901991–20052006–2020SNDi of street additions
4567<19751976–19901991–20052006–2020SNDi of entire street network
JongjuP'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 Jongju plotted against P'yŏngan-bukto and North Korea. The SNDi of new construction in Jongju followed a zig-zag trend with an overall decrease, compared to P'yŏngan-bukto which rose steadily and North Korea which peaked in 1976-1990. Most recently, Jongju's incremental SNDi fell from 5.29 to 4.12 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jongju ranked 9th out of 16 cities in P'yŏngan-bukto and 57th out of 92 in North Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
4.12
Rank in North Korea
28th of 92
Rank in P'yŏngan-bukto
4th of 16

Entire Network (Aggregate)

SNDi value
5.42
Rank in North Korea
57th of 92
Rank in P'yŏngan-bukto
9th of 16

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
JongjuSaint-EtienneDingshu

In new street additions, Jongju fluctuated in its street-construction patterns, while Saint-Étienne built increasingly disconnected streets over time and Dingshu built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Jongju became progressively more connected, while Saint-Étienne became progressively more disconnected and Dingshu became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Jongju and Dingshu have been converging in their street-network character since 1975.