Huichon in context: Street-network sprawl trends

Huichon in context

5678910<19751976–19901991–20052006–2020SNDi of street additions
5678910<19751976–19901991–20052006–2020SNDi of entire street network
HuichonChagang-do (Region)North Korea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Huichon plotted against Chagang-do and North Korea. The SNDi of new construction in Huichon peaked in 1991-2005, compared to Chagang-do which peaked in 1976-1990 and North Korea which peaked in 1976-1990. Most recently, Huichon's incremental SNDi fell from 9.64 to 7.27 between 1991-2005 and 2006-2020. In terms of the aggregate network, Huichon ranked 2nd out of 4 cities in Chagang-do and 85th out of 92 in North Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
7.27
Rank in North Korea
75th of 92
Rank in Chagang-do
2nd of 4

Entire Network (Aggregate)

SNDi value
8.11
Rank in North Korea
85th of 92
Rank in Chagang-do
2nd of 4

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

What about similarly populated cities?

246810<19751976–19901991–20052006–2020SNDi of street additions
246810<19751976–19901991–20052006–2020SNDi of entire street network
HuichonChau DocXiajin

In new street additions, Huichon and Châu Đốc both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Xiajin fluctuated in its street-construction patterns. For the full network, Huichon and Châu Đốc both grew more disconnected from 1975 through 1991-2005, then improved, while Xiajin fluctuated in connectivity. Huichon and Châu Đốc have been converging in their street-network character since 1975.