PakCat catalogue record

Changeable message signs

By National Research Council (U.S.)

Bibliographic details

ISBN
0309029163
Publisher
Transportation Research Board, National Research Council
Publication place
Washington
Publication year
1979
Language
English
Material type
Book
Physical description
37 p.

Additional authors

American Association of State Highway and Transportation Officials. United States.

Subjects

Traffic signs and signals., Variable message signs.

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