Chungju-si in context: Street-network sprawl trends

Chungju-si in context

1.21.82.43<19751976–19901991–20052006–2020SNDi of street additions
1.21.82.43<19751976–19901991–20052006–2020SNDi of entire street network
Chungju-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 Chungju-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, Chungju-si's incremental SNDi rose from 1.33 to 2.61 between 1991-2005 and 2006-2020. In terms of the aggregate network, Chungju-si ranked 1st out of 3 cities in Chungcheongbuk-do and 1st out of 49 in South Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
2.61
Rank in South Korea
22nd of 49
Rank in Chungcheongbuk-do
3rd of 3

Entire Network (Aggregate)

SNDi value
1.32
Rank in South Korea
1st of 49
Rank in Chungcheongbuk-do
1st 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
Chungju-siNaivashaShuangyang

In new street additions, Chungju-si and Naivasha both fluctuated in its street-construction patterns, while Shuangyang built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Chungju-si and Naivasha both became progressively more disconnected, while Shuangyang grew more disconnected from 1975 through 1991-2005, then improved. Chungju-si and Naivasha have been growing further apart in their street-network character since 1975.