Wonsan in context: Street-network sprawl trends

Wonsan in context

56789<19751976–19901991–20052006–2020SNDi of street additions
56789<19751976–19901991–20052006–2020SNDi of entire street network
WonsanKangwon-do (Region)North Korea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Wonsan plotted against Kangwŏn-do and North Korea. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Wonsan's incremental SNDi fell from 8.77 to 6.56 between 1991-2005 and 2006-2020. In terms of the aggregate network, Wonsan ranked 4th out of 4 cities in Kangwŏn-do and 81st out of 92 in North Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
6.56
Rank in North Korea
68th of 92
Rank in Kangwŏn-do
4th of 4

Entire Network (Aggregate)

SNDi value
7.11
Rank in North Korea
81st of 92
Rank in Kangwŏn-do
4th 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
WonsanLiegeAlicante

In new street additions, Wonsan and Alicante both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Liège built increasingly disconnected streets from 1975 through 1991-2005, then improved. Looking at the full network, Liège and Alicante both became progressively more disconnected, while Wonsan grew more disconnected from 1975 through 1991-2005, then improved.