Visibility requirements of work zone traffic control devices
Title:
Visibility requirements of work zone traffic control devices
Author:
McGee, Hugh W.
Personal Author:
Publication Information:
Washington : Federal Highway Administration, Offices of Research & Development ; Springfield, Va. : Available through the National Technical Information Service, 1978.
Physical Description:
iii, 36 p. : ill. ; 28 cm.
General Note:
"Report no. FHWA-RD-78-143."
Final report, issued July 1978.
Added Author: