강서구역 in context: Street-network sprawl trends

gangseoguyeog in context

44.85.66.4<19751976–19901991–20052006–2020SNDi of street additions
44.85.66.4<19751976–19901991–20052006–2020SNDi of entire street network
gangseoguyeogP'yongan-namdo (Region)North Korea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with 강서구역 plotted against P'yŏngan-namdo and North Korea. The SNDi of new construction in 강서구역 followed a zig-zag trend with an overall decrease, compared to P'yŏngan-namdo which followed a zig-zag trend with an overall increase and North Korea which peaked in 1976-1990. Most recently, 강서구역's incremental SNDi fell from 5.61 to 3.8 between 1991-2005 and 2006-2020. In terms of the aggregate network, 강서구역 ranked 7th out of 21 cities in P'yŏngan-namdo and 36th out of 92 in North Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
3.8
Rank in North Korea
24th of 92
Rank in P'yŏngan-namdo
7th of 21

Entire Network (Aggregate)

SNDi value
4.78
Rank in North Korea
36th of 92
Rank in P'yŏngan-namdo
7th of 21

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
gangseoguyeogMutareKishi

In new street additions, 강서구역 fluctuated in its street-construction patterns, while Mutare built increasingly disconnected streets from 1975 through 1991-2005, then improved and Kishi built increasingly disconnected streets over time. For the full network, 강서구역 fluctuated in connectivity, while Mutare grew more disconnected from 1975 through 1991-2005, then improved and Kishi became progressively more disconnected. 강서구역 and Mutare have been converging in their street-network character since 1975.