Six jurisdictions upgrade to primary seat belt laws in six different ways.

Bibliographic Details
Corporate Author:	United States. National Highway Traffic Safety Administration
Format:	Government Document Book
Language:	English
Published:	Washington, DC : U.S. Dept. of Transportation, National Highway Traffic Safety Adnministration, [1998]
Series:	Traffic safety facts. Traffic Tech - technology transfer series ; no. 179
Subjects:	Automobiles > United States > Seat belts. Automobiles > Seat belts > Law and legislation > United States. Traffic safety > United States.
Online Access:	https://purl.fdlp.gov/GPO/LPS103836

Available Online