Rest areas.

Bibliographic Details
Corporate Authors: National Research Council (U.S.). Highway Research Board, American Association of State Highway Officials
Format: Book
Language:English
Published: [Washington], [publisher not identified] ; 1973.
Series:Synthesis of highway practice ; 20.
Subjects:
Description
Item Description:"Research sponsored by the American Association of State Highway Officials."
"Project 20-5 FY '72."
Physical Description:38 pages : illustrations ; 28 cm.
Bibliography:Bibliography: page 34.
ISBN:0309022029