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,...
Title from PDF title page (viewed on August 19, 2009).; "December 2008."; Includes bibliographical references (p. 43).; Final report.; Text document in PDF format.; Performed by California Dept. of Transportation Roadside Safety Research Group for...
Title from PDF title page (viewed on August 21, 2009).; "December 2008."; Includes bibliographical references (p. 35).; Final report.; Text document in PDF format.; Performed by California Dept. of Transportation Roadside Safety Research Group for...
Title from PDF title page (viewed on August 21, 2009).; "December 2008."; Includes bibliographical references (p. 35).; Final report.; Text document in PDF format.; Performed by California Dept. of Transportation Roadside Safety Research Group for...
Title from PDF title page (viewed on May 12, 2007).; Supervised by Dan Speer; principal investigator, Rich Peter; written by Michael White and John Jewell.; "Research performed by Roadside Safety Technology Unit"--Title screen.; "January, 2002.";...