The statistic shows the U.S. pavement surface smoothness on rural and urban interstate highways in 2008. In that year, the percentage of acceptable rural interstate highways was 20.
U.S. pavement surface smoothness on rural and urban interstate highways in 2008
The International Roughness Index (IRI) is one ot the most widely used measures of pavement smoothness or ride quality.
International Roughness Index Scores:
Good (less than 95)
Acceptable (between 95 an 170)
Poor (greater than 170)
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Federal Highway Administration, & US Department of Transportation. (May 1, 2010). U.S. pavement surface smoothness on rural and urban interstate highways in 2008 [Graph]. In Statista. Retrieved January 20, 2025, from https://www.statista.com/statistics/184640/us-pavement-surface-smoothness-on-interstates/?__sso_cookie_checker=failed
Federal Highway Administration, und US Department of Transportation. "U.S. pavement surface smoothness on rural and urban interstate highways in 2008." Chart. May 1, 2010. Statista. Accessed January 20, 2025. https://www.statista.com/statistics/184640/us-pavement-surface-smoothness-on-interstates/?__sso_cookie_checker=failed
Federal Highway Administration, US Department of Transportation. (2010). U.S. pavement surface smoothness on rural and urban interstate highways in 2008. Statista. Statista Inc.. Accessed: January 20, 2025. https://www.statista.com/statistics/184640/us-pavement-surface-smoothness-on-interstates/?__sso_cookie_checker=failed
Federal Highway Administration, and US Department of Transportation. "U.S. Pavement Surface Smoothness on Rural and Urban Interstate Highways in 2008." Statista, Statista Inc., 1 May 2010, https://www.statista.com/statistics/184640/us-pavement-surface-smoothness-on-interstates/?__sso_cookie_checker=failed
Federal Highway Administration & US Department of Transportation, U.S. pavement surface smoothness on rural and urban interstate highways in 2008 Statista, https://www.statista.com/statistics/184640/us-pavement-surface-smoothness-on-interstates/?__sso_cookie_checker=failed (last visited January 20, 2025)
U.S. pavement surface smoothness on rural and urban interstate highways in 2008 [Graph], Federal Highway Administration, & US Department of Transportation, May 1, 2010. [Online]. Available: https://www.statista.com/statistics/184640/us-pavement-surface-smoothness-on-interstates/?__sso_cookie_checker=failed
