Impacts of motorcycle helmet law repeal in South Dakota
By: prepared for U.S. Department of Transportation, National Highway Traffic Safety Administration
Contributors: United States. National Highway Traffic Safety Administration; University of South Dakota. Human Factors Laboratory
Publisher: The Administration
Published: 1978
Place of publication: Washington, D.C; Springfield, Va. : National Technical Information Service [distributor
Language: eng
Subjects: Motorcycling accidents; Motorcycling -- South Dakota -- Safety measures; Helmets -- South Dakota
Notes: Cover title

"Final report: Appendices."

"Human Factors Laboratory, University of South Dakota."

"November 1978."

Chiefly tables

"Contract no. DOT-HS-6-01423."

"DOT HS-803 997."