Sakju in context: Street-network sprawl trends

Sakju in context

56789<19751976–19901991–20052006–2020SNDi of street additions
56789<19751976–19901991–20052006–2020SNDi of entire street network
SakjuP'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 Sakju plotted against P'yŏngan-bukto and North Korea. The SNDi of new construction in Sakju 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, Sakju's incremental SNDi fell from 8.53 to 7.7 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sakju ranked 16th out of 16 cities in P'yŏngan-bukto and 86th out of 92 in North Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
7.7
Rank in North Korea
77th of 92
Rank in P'yŏngan-bukto
12th of 16

Entire Network (Aggregate)

SNDi value
8.35
Rank in North Korea
86th of 92
Rank in P'yŏngan-bukto
16th of 16

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
SakjuKasba TadlaBunda

In new street additions, Sakju fluctuated in its street-construction patterns, while Kasba Tadla fluctuated in its street-construction patterns and Bunda built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Sakju fluctuated in connectivity, while Kasba Tadla grew more disconnected from 1975 through 1976-1990, then improved and Bunda became progressively more disconnected.