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Subjects
Traffic safety, Traffic signs and signalsEdition | Availability |
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1
Effectiveness of changeable message displays in advance of high-speed freeway lane closures
1981, Transportation Research Board, National Research Council
in English
0309031621 9780309031622
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Book Details
Edition Notes
Includes bibliographical references.
"Sponsored by the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration."
"September 1981".
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December 5, 2010 | Edited by Open Library Bot | Added subjects from MARC records. |
December 10, 2009 | Created by WorkBot | add works page |