Gyeongju-si in context: Street-network sprawl trends

Gyeongju-si 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
Gyeongju-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 Gyeongju-si plotted against Gyeongsangbuk-do and South Korea. The SNDi of new construction in Gyeongju-si peaked in 1991-2005, compared to Gyeongsangbuk-do which followed a zig-zag trend with an overall increase and South Korea which followed a zig-zag trend with an overall increase. Most recently, Gyeongju-si's incremental SNDi fell from 1.91 to 1.81 between 1991-2005 and 2006-2020. In terms of the aggregate network, Gyeongju-si ranked 3rd out of 4 cities in Gyeongsangbuk-do and 13th out of 49 in South Korea as of 2020.

New Street Additions (2006–2020)

SNDi value
1.81
Rank in South Korea
3rd of 49
Rank in Gyeongsangbuk-do
1st of 4

Entire Network (Aggregate)

SNDi value
1.68
Rank in South Korea
13th of 49
Rank in Gyeongsangbuk-do
3rd of 4

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

What about similarly populated cities?

369<19751976–19901991–20052006–2020SNDi of street additions
369<19751976–19901991–20052006–2020SNDi of entire street network
Gyeongju-siJianghuaMakein

In new street additions, Gyeongju-si built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Jianghua fluctuated in its street-construction patterns and Makein built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Gyeongju-si and Jianghua both became progressively more disconnected, while Makein became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Gyeongju-si and Jianghua have been growing further apart in their street-network character since 1975.