2015 Current Roughness By District (RS)
Shown here are the most recent average roughness values for each district as measured by the International Roughness Index (IRI). IRI values increase as roughness levels increase. These average values are weighted according to vehicle miles traveled on each pavement section. Consequently, they represent the ride quality that the average driver could expect within each district.

Contact Info
Kentucky Transportation Cabinet
200 Mero Street
Frankfort, KY 40622
Phone: (502)564-4556
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