Cheongju-si in context: Street-network sprawl trends

Cheongju-si in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Cheongju-si plotted against Chungcheongbuk-do and South Korea. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Cheongju-si's incremental SNDi rose from 1.68 to 2.03 between 1991-2005 and 2006-2020. In terms of the aggregate network, Cheongju-si ranked 3rd out of 3 cities in Chungcheongbuk-do and 8th out of 49 in South Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
2.03
Rank in South Korea
5th of 49
Rank in Chungcheongbuk-do
1st of 3

Entire Network (Aggregate)

SNDi value
1.57
Rank in South Korea
8th of 49
Rank in Chungcheongbuk-do
3rd of 3

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
Cheongju-siAbeokutaChongjin

In new street additions, Cheongju-si fluctuated in its street-construction patterns, while Abeokuta built increasingly disconnected streets over time and Chŏngjin built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Cheongju-si and Abeokuta both became progressively more disconnected, while Chŏngjin grew more disconnected from 1975 through 1991-2005, then improved.