Night visibility of overhead guide signs : a review of the literature.
Title:
Night visibility of overhead guide signs : a review of the literature.
Author:
Gordon, Donald A.
Personal Author:
Publication Information:
McLean, Va. : U.S. Dept. of Transportation, Federal Highway Administration, Research, Development, and Technology, Turner-Fairbank Highway Research Center ; Springfield, Va. : National Technical Information Service [distributor], 1985.
Physical Description:
viii, 91 p. : ill. ; 28 cm.
General Note:
Cover title.
"Systems Technology Division"--1st prelim. p.
Distributed to depository libraries in microfiche.
"October 1984."
"HRD-10/1-85(350)O"--P. [4] of cover.
Holds: Copies: