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: Motorcycles -- 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."