cover image

Changeable message signs.


Washington : Transportation Research Board, National Research Council, 1979.
ISBN 0309029163

Location Call Number Status Consortium Loan
American
WRLC Shared Collections Facility
TE7 .S9 no.59-69 Off-site
Request
Subjects Traffic signs and signals.
Description 37 pages : illustrations / 28 cm.
Copyright Date 1979.
Notes Includes bibliographical references.
Network Numbers (OCoLC)05657403
(OCoLC)5657403
WorldCat Search OCLC WorldCat

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