Sinuiju in context: Street-network sprawl trends

Sinuiju in context

45678<19751976–19901991–20052006–2020SNDi of street additions
45678<19751976–19901991–20052006–2020SNDi of entire street network
SinuijuSinuiju (Region)North Korea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sinuiju plotted against Sinŭiju and North Korea. The SNDi of new construction in Sinuiju peaked in 1991-2005, compared to Sinŭiju which peaked in 1991-2005 and North Korea which peaked in 1976-1990. Most recently, Sinuiju's incremental SNDi fell from 8.1 to 4.2 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sinuiju ranked 1st out of 2 cities in Sinŭiju and 27th out of 92 in North Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
4.2
Rank in North Korea
30th of 92
Rank in Sinŭiju
1st of 2

Entire Network (Aggregate)

SNDi value
4.6
Rank in North Korea
27th of 92
Rank in Sinŭiju
1st of 2

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
SinuijuLublinSanto Domingo de los Tsachilas

In new street additions, Sinuiju built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Lublin built increasingly disconnected streets over time and Santo Domingo de los Tsachilas fluctuated in its street-construction patterns. Looking at the full network, Lublin and Santo Domingo de los Tsachilas both became progressively more disconnected, while Sinuiju grew more disconnected from 1975 through 1991-2005, then improved. Sinuiju and Santo Domingo de los Tsachilas have been converging in their street-network character since 1975.