Cover image for Uniform traffic control and warning messages for portable changeable message signs
Uniform traffic control and warning messages for portable changeable message signs
Title:
Uniform traffic control and warning messages for portable changeable message signs
Author:
Knoblauch, Richard L.
Publication Information:
McLean, Va. : Federal Highway Administration, Turner-Fairbank Highway Research Center ; [Springfield, Va. : Available through the National Technical Information Service, 1995]
Physical Description:
iv, 67 p. : ill. ; 28 cm.
General Note:
Cover title.

"December 1995."
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