Suan in context: Street-network sprawl trends

Suan in context

4681012<19751976–19901991–20052006–2020SNDi of street additions
4681012<19751976–19901991–20052006–2020SNDi of entire street network
SuanHwanghae-bukto (Region)North Korea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Suan plotted against Hwanghae-bukto and North Korea. The SNDi of new construction in Suan peaked in 1991-2005, compared to Hwanghae-bukto which followed a zig-zag trend with an overall increase and North Korea which peaked in 1976-1990. Most recently, Suan's incremental SNDi fell from 12.31 to 6.01 between 1991-2005 and 2006-2020. In terms of the aggregate network, Suan ranked 5th out of 6 cities in Hwanghae-bukto and 59th out of 92 in North Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
6.01
Rank in North Korea
60th of 92
Rank in Hwanghae-bukto
5th of 6

Entire Network (Aggregate)

SNDi value
5.49
Rank in North Korea
59th of 92
Rank in Hwanghae-bukto
5th of 6

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

What about similarly populated cities?

36912<19751976–19901991–20052006–2020SNDi of street additions
36912<19751976–19901991–20052006–2020SNDi of entire street network
SuanTuo Chuan Zhen Las Cruces

In new street additions, Suan and Las Cruces both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while 拖船镇 fluctuated in its street-construction patterns. For the full network, Suan and Las Cruces both became progressively more disconnected, while 拖船镇 fluctuated in connectivity. Suan and 拖船镇 have been converging in their street-network character since 1975.