Gwangju in context: Street-network sprawl trends

Gwangju in context

1.522.53<19751976–19901991–20052006–2020SNDi of street additions
1.522.53<19751976–19901991–20052006–2020SNDi of entire street network
GwangjuSouth Korea (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Gwangju plotted against South Korea. Both Gwangju and South Korea follow the same trend. Most recently, Gwangju's incremental SNDi rose from 2.04 to 2.85 between 1991-2005 and 2006-2020. In terms of the aggregate network, Gwangju ranked 19th out of 49 in South Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
2.85
Rank in South Korea
28th of 49

Entire Network (Aggregate)

SNDi value
1.8
Rank in South Korea
19th of 49

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

What about similarly populated cities?

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
GwangjuZhangzhouCordoba

In new street additions, Gwangju and Zhangzhou both fluctuated in its street-construction patterns, while Cordoba built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend.