Daegu in context: Street-network sprawl trends

Daegu in context

1.622.42.8<19751976–19901991–20052006–2020SNDi of street additions
1.622.42.8<19751976–19901991–20052006–2020SNDi of entire street network
DaeguSouth Korea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Daegu plotted against South Korea. Both Daegu and South Korea follow the same trend. Most recently, Daegu's incremental SNDi rose from 2.13 to 2.69 between 1991-2005 and 2006-2020. In terms of the aggregate network, Daegu ranked 17th out of 49 in South Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
2.69
Rank in South Korea
23rd of 49

Entire Network (Aggregate)

SNDi value
1.75
Rank in South Korea
17th of 49

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
DaeguTasikmalayaLanzhou

In new street additions, Daegu and Lanzhou both fluctuated in its street-construction patterns, while Tasikmalaya built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full street network, though, all three cities follow the same trend.