Rev.; Title from PDF title page (viewed on February 23, 2011).; "Revised, August 2007."; Text document (PDF).; Performed by University of North Carolina, Highway Safety Research Center and LENDIS Corporation for FHWA Office of Safety and Traffic...
Roads--California--Guard fences--Testing.; Road work zones--California--Safety measures--Equipment and supplies--Testing.
Title from PDF title page (viewed on August 19, 2009).; "December 2008."; Includes bibliographical references (p. 33).; Final report.; Text document in PDF format.; Performed by Roadside Safety Research Group for California Dept. of Transportation,...