Sokcho in context: Street-network sprawl trends

Sokcho in context

1.522.533.5<19751976–19901991–20052006–2020SNDi of street additions
1.522.533.5<19751976–19901991–20052006–2020SNDi of entire street network
SokchoGangwon-do (Region)South Korea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sokcho plotted against Gangwon-do and South Korea. The SNDi of new construction in Sokcho rose steadily, compared to Gangwon-do which followed a zig-zag trend with an overall increase and South Korea which followed a zig-zag trend with an overall increase. Most recently, Sokcho's incremental SNDi rose from 2.47 to 3.33 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sokcho ranked 4th out of 4 cities in Gangwon-do and 36th out of 49 in South Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
3.33
Rank in South Korea
39th of 49
Rank in Gangwon-do
4th of 4

Entire Network (Aggregate)

SNDi value
2.3
Rank in South Korea
36th of 49
Rank in Gangwon-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
SokchoHardaManazil Baradan

In new street additions, Sokcho built increasingly disconnected streets over time, while Harda built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Manazil Baradan fluctuated in its street-construction patterns. For the full network, Sokcho became progressively more disconnected, while Harda became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Manazil Baradan grew more disconnected from 1975 through 1976-1990, then improved. Notably, Sokcho had a more sprawly network than Harda in 1975 but the two have since reversed their relative ranking.