CONCEPTS FOR THE TECHNICAL STUDY OF ELECTRIC COMMUNICATION SYSTEMS FOR HIGHWAYS
CONCEPTS ARE STUDIED FOR THE STUDY OF ELECTRIC COMMUNICATION SYSTEMS ALONG THE HIGHWAYS. CALL BOX STRUCTURE IS USED FOR ITS APPLICATION IN BRAZIL. /RRI/
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Corporate Authors:
National Highway Department /Brazil
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Authors:
- Braga, G
- Publication Date: 1967
Subject/Index Terms
- TRT Terms: Call boxes (Driver aid devices); Communication systems; Highways
- Old TRIS Terms: Call boxes; Electric communication systems
- Subject Areas: Highways; Operations and Traffic Management;
Filing Info
- Accession Number: 00225830
- Record Type: Publication
- Source Agency: Road Research Institute /Brazil
- Files: TRIS
- Created Date: Oct 19 1970 12:00AM