Speed advisory information for reduced visibility conditions : executive summary /

Bibliographic Details

Main Author:	Wagner, Donald Robert, 1952-
Corporate Authors:	United States. Federal Highway Administration. Office of Research, United States. Federal Highway Administration. Office of Development
Format:	Government Document Book
Language:	English
Published:	Washington : Dept. of Transportation, Federal Highway Administration, Offices of Research and Development ; 1978.
Series:	Report - Federal Highway Administration ; no. FHWA-RD-78-80
Subjects:	Automobile driving in bad weather.