Changwon in context: Street-network sprawl trends

Changwon in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Changwon plotted against Gyeongsangnam-do and South Korea. The SNDi of new construction in Changwon rose steadily, compared to Gyeongsangnam-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, Changwon's incremental SNDi rose from 2.0 to 2.16 between 1991-2005 and 2006-2020. In terms of the aggregate network, Changwon ranked 1st out of 10 cities in Gyeongsangnam-do and 7th out of 49 in South Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
2.16
Rank in South Korea
11th of 49
Rank in Gyeongsangnam-do
1st of 10

Entire Network (Aggregate)

SNDi value
1.56
Rank in South Korea
7th of 49
Rank in Gyeongsangnam-do
1st of 10

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
ChangwonBenxiBhavnagar

In new street additions, Changwon and Bhavnagar both built increasingly disconnected streets over time, while Benxi fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Changwon and Bhavnagar have been growing further apart in their street-network character since 1975.