Sign luminance requirements for various background complexities.
Description
- Language(s)
-
English
- Published
-
Washington, DC : U.S. Department of Transportation, Federal Highway Administration, Research, Development, and Technology ; 1985]
- Note
-
"September 1985."
"Turner-Fairbank Highway Research Center."
Prepared by D.J. Mace, R.B. King, G.W. Dauber (Institute for Research, State College, PA).
Cover title.
- Physical Description
-
iv, 38 p. :
ill., charts ;
28 cm.
Viewability
Item Link |
Original Source |
Full view
|
Northwestern University
|