Chuncheon in context: Street-network sprawl trends

Chuncheon in context

1.522.53<19751976–19901991–20052006–2020SNDi of street additions
1.522.53<19751976–19901991–20052006–2020SNDi of entire street network
ChuncheonGangwon-do (Region)South Korea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Chuncheon plotted against Gangwon-do and South Korea. The SNDi of new construction in Chuncheon 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, Chuncheon's incremental SNDi rose from 2.16 to 2.99 between 1991-2005 and 2006-2020. In terms of the aggregate network, Chuncheon ranked 1st out of 4 cities in Gangwon-do and 21st out of 49 in South Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
2.99
Rank in South Korea
32nd of 49
Rank in Gangwon-do
3rd of 4

Entire Network (Aggregate)

SNDi value
1.81
Rank in South Korea
21st of 49
Rank in Gangwon-do
1st of 4

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
ChuncheonMulongoQingyang

In new street additions, Chuncheon and Mulongo both built increasingly disconnected streets over time, while Qingyang built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Chuncheon and Mulongo both became progressively more disconnected, while Qingyang became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Chuncheon and Mulongo have been growing further apart in their street-network character since 1975.