Context

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
Taein-dong (most disconnected)Chungju-si (most connected)

The chart above shows the evolution of street network disconnectedness of the most connected and most disconnected cities in South Korea, for both new street additions (left) and the aggregate street network (right).

South Korea in context: Street-network sprawl of new development

The level of street-network sprawl in new development in South Korea followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in South Korea, we can consider three of its most populous regions: Gyeonggi-do, Busan and Daegu. Disconnectivity in the most populous cities in South Korea follow the same country trend.

The largest city in South Korea is Seoul, with a population of 21547100 people. Taking into account the entire (i.e. aggregate) street network in Seoul as of 2020, the overall level of street-network sprawl is 1.98, which is well-connected. The level of street-network sprawl in new development in Seoul followed a zig-zag trend with an overall increase.

South Korea in context: Aggregate street-network sprawl

As of 2020, the city with the most disconnected street network in South Korea is Taein-dong with an SNDi of 4.34, which is sprawly. Conversely, the most connected city is Chungju-si with an SNDi of 1.32, which is very well-connected. See these two cities’ trends in the above graph, or dive deeper into each: Chungju-si, Taein-dong.

The level of street-network sprawl in the aggregate network in South Korea rose steadily. To get a sense of how the aggregate street network has changed in South Korea, we can consider three of its most populous regions: Gyeonggi-do, Busan and Daegu. Disconnectivity in the most populous cities in South Korea follow the same country trend.

The largest city in South Korea is Seoul, with a population of 21547100 people. Taking into account the entire (i.e. aggregate) street network in Seoul as of 2020, the overall level of street-network sprawl is 1.98, which is well-connected. The level of street-network sprawl in the aggregate network in Seoul rose steadily.