Manual for signing and pavement marking of the national system of interstate and defense highways : Revisions adopted November 26, 1960 by the American Association of State Highway Officials; revisions approved December 16, 1960 /
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| Format: | Book |
| Language: | English |
| Published: |
[Washington],
[publisher not identified] ;
1961.
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| Physical Description: | 75 pages : illustrations ; 23 cm. |
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