Kanggye in context: Street-network sprawl trends

Kanggye in context

5678<19751976–19901991–20052006–2020SNDi of street additions
5678<19751976–19901991–20052006–2020SNDi of entire street network
KanggyeChagang-do (Region)North Korea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kanggye plotted against Chagang-do and North Korea. The SNDi of new construction in Kanggye peaked in 1991-2005, compared to Chagang-do which peaked in 1976-1990 and North Korea which peaked in 1976-1990. Most recently, Kanggye's incremental SNDi fell from 8.45 to 6.88 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kanggye ranked 1st out of 4 cities in Chagang-do and 74th out of 92 in North Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
6.88
Rank in North Korea
72nd of 92
Rank in Chagang-do
1st of 4

Entire Network (Aggregate)

SNDi value
6.31
Rank in North Korea
74th of 92
Rank in Chagang-do
1st of 4

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

What about similarly populated cities?

468<19751976–19901991–20052006–2020SNDi of street additions
468<19751976–19901991–20052006–2020SNDi of entire street network
KanggyeSandwipXingping

In new street additions, Kanggye built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Sandwip built increasingly disconnected streets over time and Xingping fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Kanggye and Xingping have been growing further apart in their street-network character since 1975.