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1972
Emergency communications

Highway Research Record, Issue 402, 45p

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1972
1972
Transportation systems planning process

Highway Research Record, Issue 394, 40p

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1972
Freeway operations and control

Highway Research Record, Issue 388, 94p

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1972
Citizen participation and community values

Highway Research Record, Issue 380, 48p

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1972
THE CHANGEABLE-MESSAGE CONCEPT OF TRAFFIC CONTROL

Highway Research Board Special Report, Issue 129, 54 p.

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1972
AUTOMOTIVE NOISE: ENVIRONMENTAL IMPACT AND CONTROL

Highway Research Record, p. 45-55

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1972
RADIO SPECTRUM FREQUENCY MANAGEMENT

NCHRP Synthesis of Highway Practice, Issue 13, 29 p.

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1972
1972
1972
1972
ROADWAY DELINEATION SYSTEMS

NCHRP Report, Issue 130, 349 p.

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1972
1972
THE END OF THE ROAD?

Highway Research Record, Issue 410, pp 66-69

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1972
1972
NATIONAL FOREST TRAVEL SURVEY

Highway Research Record, Issue 408, pp 26-37

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1972
COMPARISON OF ACCIDENTS AND ILLUMINATION

Highway Research Record, Issue 416, pp 1-9

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1972
ROAD CAPABILITY STUDY ON IMPROVED EARTH ROADS

Highway Research Record, Issue 405, pp 137-142

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