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Title: NEWEST COST BREAKTHROUGH FOR CHANGEABLE-MESSAGE MATRIX SIGNS
Accession Number: 00226396
Record Type: Component
Availability: Find a library where document is available Abstract: THE ADVANTAGES OF USING COMPUTER SYSTEMS TO CONTROL DISPLAY SIGNS, PARTICULARLY TRAFFIC CONTROL, ARE ENUMERATED. REFLECTIVE LIGHT REDUCES OPERATING AND MAINTENANCE COSTS BY UTILIZING A REFLECTIVE DISK-- A LIFE SPAN OF APPROXIMATELY 20 MILLION OPERATIONS ELIMINATES THE NEED FOR LIGHT BULBS AND HIGH POWER CONSUMPTION. REMOTE CONTROL IS ACHIEVED VIA TELEPHONE LINES FOR EITHER A COMPUTER OR TELETYPE MACHINE. SOLID STATE CONTROL EQUIPMENT OFFERS RELIABILITY AND VERSATILITY. SIZE AND FORMAT ARE FLEXIBLE IN THE CHARACTERS 4.2, 12, 18, AND 42 IN. IN HEIGHT AND STANDARD COLOR CODES ARE AVAILABLE.
Supplemental Notes: Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved.
Monograph Title: Monograph Accession #: 00815845
Corporate Authors: Highway Research Board 2101 Constitution Avenue, NW Authors: Mauro, John JPagination: p. 44-45
Publication Date: 1972
Conference:
Conference on the Changeable-Message Concept of Traffic Control
Date: 1971-7-15 to 1971-7-16 ISBN: 0309020530
Media Type: Digital/other
TRT Terms: Uncontrolled Terms: Old TRIS Terms: Subject Areas: Highways; Operations and Traffic Management
Files: TRIS, TRB, ATRI
Created Date: Feb 3 1973 12:00AM
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