Anju in context: Street-network sprawl trends

Anju in context

4.24.95.66.3<19751976–19901991–20052006–2020SNDi of street additions
4.24.95.66.3<19751976–19901991–20052006–2020SNDi of entire street network
AnjuP'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 Anju plotted against P'yŏngan-namdo and North Korea. The SNDi of new construction in Anju peaked in 1991-2005, 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, Anju's incremental SNDi fell from 5.83 to 5.44 between 1991-2005 and 2006-2020. In terms of the aggregate network, Anju ranked 9th out of 21 cities in P'yŏngan-namdo and 41st out of 92 in North Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
5.44
Rank in North Korea
50th of 92
Rank in P'yŏngan-namdo
12th of 21

Entire Network (Aggregate)

SNDi value
4.94
Rank in North Korea
41st of 92
Rank in P'yŏngan-namdo
9th of 21

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

What about similarly populated cities?

4681012<19751976–19901991–20052006–2020SNDi of street additions
4681012<19751976–19901991–20052006–2020SNDi of entire street network
AnjuSaralThana

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