Trends
1.96
SNDi (2020)4,800 km
Total street network1975–2020
Analysis periodDisconnectedness burden of street construction in Jeollabuk-do
▸ Hover over bars to see values
The chart above shows, for each construction period in the Jeollabuk-do region, the SNDi of new street additions (bar height) and the volume added (bar width), so that bar area reflects the total disconnectedness burden of that period's construction. The 1991-2005 period contributed the greatest disconnectedness burden, with 1,800 km of street added at an SNDi of 1.87. Overall, the SNDi of new street additions in the region followed a zig-zag trend with an overall increase.
How have Jeollabuk-do's street networks changed over time?
Most recent snapshot
Taking into account the entire (i.e. aggregate) street network in Jeollabuk-do as of 2020, the overall level of street-network sprawl is 1.96, which is very well-connected.
Trends in street network construction
The SNDis of street construction for the respective time periods are 1.51, 3.0, 1.87 and 2.31. Disconnectivity in street construction in Jeollabuk-do follows a zig-zag trend. In 1975, street construction was most disconnected, while construction was most connected in 1976-1990.
Quantity of street network construction
The street network in Jeollabuk-do spans a total of 4,800 kilometers. The period with the greatest volume of street construction was 1991-2005. These roads have an SNDi of 1.87, which is very well-connected.
Effect on the aggregate network
New construction in each period adds to the total stock of streets, but does not change streets that have already been built. Therefore, it has a limited effect on the street network as a whole. The SNDis of the aggregate street network in the respective time periods are 1.51, 1.96, 1.92 and 1.96. Disconnectivity in Jeollabuk-do's street network follows a zig-zag trend. In 1975, the region was most disconnected; while it was most connected in 1976-1990.