Warrants for rumble strips on rural highways : final report / R.L. Carstens, principal investigator ; and Richard Yun-Hao Woo, graduate research assistant ; in cooperation with the Highway Division, Iowa Department of Transportation.
Publisher:
Department of Civil EngineeringEngineering Research Institute, Iowa State University,
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.