Andong-si in context: Street-network sprawl trends

Andong-si in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Andong-si plotted against Gyeongsangbuk-do and South Korea. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Andong-si's incremental SNDi rose from 1.7 to 2.35 between 1991-2005 and 2006-2020. In terms of the aggregate network, Andong-si ranked 1st out of 4 cities in Gyeongsangbuk-do and 4th out of 49 in South Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
2.35
Rank in South Korea
14th of 49
Rank in Gyeongsangbuk-do
2nd of 4

Entire Network (Aggregate)

SNDi value
1.46
Rank in South Korea
4th of 49
Rank in Gyeongsangbuk-do
1st of 4

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
Andong-siMengjinIcaivera

Andong-si, Mengjin, and Icaivera all fluctuated in its street-construction patterns in new street construction. The same pattern holds for the full street network. Andong-si and Mengjin have been converging in their street-network character since 1975.