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1973
ROADSIDE DELINEATION CONCEPTS: A NATIONAL STUDY

Highway Research Record, Issue 440, pp 57-68

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1973
1972-03
ROADWAY DELINEATION SYSTEMS

NCHRP Research Results Digest, Issue 36, 17 p.

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1972
Motorist information systems

Highway Research Record, Issue 414, 78p

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1972
Traffic flow characteristics and models

Highway Research Record, Issue 409, 81p

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1972
Freeway operations and control

Highway Research Record, Issue 388, 94p

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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
1972
IN-VEHICLE DRIVER AID AT TRAFFIC SIGNALS

Highway Research Record, Issue 414, pp 6-15

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1972
1972
1972
ROADWAY DELINEATION SYSTEMS

NCHRP Report, Issue 130, 349 p.

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1972
RECOGNITION OF TRAFFIC-CONTROL SIGNS

Highway Research Record, Issue 414, pp 16-23

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1972
DIAGRAMMATIC SIGN STUDY

Highway Research Record, Issue 414, pp 42-49

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1972
EVALUATION OF DIAGRAMMATIC GUIDE SIGNS

Highway Research Record, Issue 414, pp 30-41

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1972
1972
1972
FOG DETECTORS FOR CONTROLLING CHANGEABLE-MESSAGE SIGNS

Highway Research Board Special Report, Issue 129, p. 20-23

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