Iksan-si in context: Street-network sprawl trends

Iksan-si in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Iksan-si plotted against Jeollabuk-do and South Korea. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Iksan-si's incremental SNDi rose from 1.9 to 2.43 between 1991-2005 and 2006-2020. In terms of the aggregate network, Iksan-si ranked 2nd out of 3 cities in Jeollabuk-do and 9th out of 49 in South Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
2.43
Rank in South Korea
17th of 49
Rank in Jeollabuk-do
3rd of 3

Entire Network (Aggregate)

SNDi value
1.59
Rank in South Korea
9th of 49
Rank in Jeollabuk-do
2nd of 3

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

What about similarly populated cities?

1234<19751976–19901991–20052006–2020SNDi of street additions
1234<19751976–19901991–20052006–2020SNDi of entire street network
Iksan-siOke IhoKisii

While Oke Iho and Kisii both built increasingly disconnected streets over time, Iksan-si fluctuated in its street-construction patterns in new street additions. For the full street network, though, all three cities follow the same trend. Iksan-si and Oke Iho have been growing further apart in their street-network character since 1975.