Standard highway signs
Contributors: United States. Federal Highway Administration
Edition: Rev. 2
Publisher: U.S. Dept. of Transportation, Federal Highway Administration; [Supt. of Docs., U.S. G.P.O., distributor]
Published: 1979
Place of publication: [Washington, D.C.?]
Language: eng
Subjects: Traffic signs and signals -- United States -- Handbooks, manuals, etc
Notes: Shipping list no.: 85-1048-P

"As specified in the Manual on uniform traffic control devices, 1978"--Cover

"May 1979"--P. 6-39

Includes index

"DOT/FHWA"--P. 6-39

"HTO-21"--P. 6-39

"HTO-21/9-85(1.5M)QE"--P. [4] of cover