Positive guidance in traffic control
By: by Gerson J. Alexander and Harold Lunenfeld.
Contributors: Lunenfeld, Harold; United States. Federal Highway Administration. Office of Traffic Operations
Publisher: U.S. Dept. of Transportation, Federal Highway Administration, Office of Traffic Operations : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1975
Place of publication: [Washington, D.C.]
Language: eng
Number of pages: 57
Subjects: Traffic safety -- Study and teaching -- United States; Roads -- United States -- Safety measures; Automobile drivers -- United States
Notes: Bibliography: p. 33-37.