Suncheon-si in context: Street-network sprawl trends

Suncheon-si in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Suncheon-si plotted against Jeollanam-do and South Korea. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Suncheon-si's incremental SNDi rose from 1.74 to 2.26 between 1991-2005 and 2006-2020. In terms of the aggregate network, Suncheon-si ranked 1st out of 4 cities in Jeollanam-do and 15th out of 49 in South Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
2.26
Rank in South Korea
12th of 49
Rank in Jeollanam-do
1st of 4

Entire Network (Aggregate)

SNDi value
1.73
Rank in South Korea
15th of 49
Rank in Jeollanam-do
1st of 4

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

What about similarly populated cities?

1.82.43<19751976–19901991–20052006–2020SNDi of street additions
1.82.43<19751976–19901991–20052006–2020SNDi of entire street network
Suncheon-siHanumanangarh JunctionTakaoka

Suncheon-si, Hanumanangarh Junction, and Takaoka all fluctuated in its street-construction patterns in new street construction. For the full network, Suncheon-si and Takaoka both became progressively more disconnected, while Hanumanangarh Junction fluctuated in connectivity. Suncheon-si and Takaoka have been converging in their street-network character since 1975.