Taean in context: Street-network sprawl trends

Taean 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
TaeanP'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 Taean plotted against P'yŏngan-namdo and North Korea. The SNDi of new construction in Taean followed a zig-zag trend with an overall increase, 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, Taean's incremental SNDi rose from 4.25 to 4.46 between 1991-2005 and 2006-2020. In terms of the aggregate network, Taean ranked 3rd out of 21 cities in P'yŏngan-namdo and 17th out of 92 in North Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
4.46
Rank in North Korea
37th of 92
Rank in P'yŏngan-namdo
9th of 21

Entire Network (Aggregate)

SNDi value
4.09
Rank in North Korea
17th of 92
Rank in P'yŏngan-namdo
3rd of 21

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

What about similarly populated cities?

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
TaeanMercedAnzio

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