Taechon in context: Street-network sprawl trends

Taechon in context

56789<19751976–19901991–20052006–2020SNDi of street additions
56789<19751976–19901991–20052006–2020SNDi of entire street network
TaechonP'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 Taechon plotted against P'yŏngan-bukto and North Korea. The SNDi of new construction in Taechon followed a zig-zag trend with an overall increase, compared to P'yŏngan-bukto which rose steadily and North Korea which peaked in 1976-1990. Most recently, Taechon's incremental SNDi rose from 6.12 to 9.1 between 1991-2005 and 2006-2020. In terms of the aggregate network, Taechon ranked 11th out of 16 cities in P'yŏngan-bukto and 63rd out of 92 in North Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
9.1
Rank in North Korea
82nd of 92
Rank in P'yŏngan-bukto
13th of 16

Entire Network (Aggregate)

SNDi value
5.69
Rank in North Korea
63rd of 92
Rank in P'yŏngan-bukto
11th of 16

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
TaechonYanwucunKamphaeng Phet

In new street additions, Taechon and Kamphaeng Phet both fluctuated in its street-construction patterns, while Yanwucun built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend. Taechon and Yanwucun have been converging in their street-network character since 1975.