Diversion of intercity traffic at a single point :
final design report,
prepared for U.S. Federal Highway Administration, Contract no.FH-11-8119.

Description

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Related Names
Sperry Rand Corporation. Sperry Systems Management Division
Published
Sep.1974.
Edition
Rev.
Subjects
Traffic > Volume > Baltimore (Md.)
Traffic signs > Changeable message.
Physical Description
FOR FURTHER BIBLIOGRAPHIC INFORMATION SEE CARD CATALOG IN THE TRANSPORTATION LIBRARY.
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