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1969
International transportation topics

Highway Research Record, Issue 299, 50p

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1969
Traffic control devices

Highway Research Record, Issue 286, 95p

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1969
Development of safer roadside structures and protective systems

Highway Research Record, Issue 259, 60p

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1969
Vehicle guidance and lightings and sign brightness

Highway Research Record, Issue 275, 40p

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1969
BRIGHTNESS AND BRIGHTNESS RATIO AS FACTORS IN THE ATTENTION VALUE OF HIGHWAY SIGNS

Highway Research Record, Issue 275, pp 32-40

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1969
A NEW INTERSECTION STUDY TECHNIQUE

Highway Research Record, Issue 286, pp 62-73

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1969
DESIGN OF FREEWAY ENTRANCE RAMP MERGING CONTROL SYSTEMS

Highway Research Record, Issue 279, pp 137-149

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1969
TRAFFIC CONTROL FOR FREEWAY MAINTENANCE

NCHRP Synthesis of Highway Practice, Issue 1, 47p

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1969
DRIVER INFORMATION REQUIREMENTS AND ACCEPTANCE CRITERIA

Highway Research Record, Issue 265, pp 19-30

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1969
VIBRATION AND DAMPING OF ALUMINUM OVERHEAD SIGN STRUCTURES

Highway Research Record, Issue 259, pp 51-60

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1969
A DETECTION SYSTEM FOR FROST SNOW AND ICE ON BRIDGES AND HIGHWAYS

Highway Research Record, Issue 298, pp 17-24

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1969
DRIVERS' EYE MOVEMENTS AND VISUAL WORKLOAD

Highway Research Record, Issue 292, pp 1-10

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1969
WRONG-WAY DRIVING ACCIDENTS ARE REDUCED

Highway Research Record, Issue 292, pp 24-50

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1969
INTERNATIONAL EFFORT TOWARD UNIFORMITY ON ROAD SIGNS, SIGNALS AND MARKINGS

Highway Research Record, Issue 299, p. 1-17

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1968-07
STATEMENTS OF NEEDED RESEARCH IN CAPACITY AND FREEWAY OPERATIONS

Highway Research Circular, Issue 81

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1968
Paints, metals, joints and polyester overlays

Highway Research Record, Issue 242, 83p

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1968
Lighting, visibility and driving

Highway Research Record, Issue 216, 65p

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1968
Guardrails, median barriers and sign and light supports

Highway Research Record, Issue 222, 98p

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1968
PHOTOMETER FOR MEASUREMENT OF REFLEX-REFLECTIVE SIGN MATERIALS

Highway Research Record, Issue 242, pp 15-21

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1968
SWEDEN CHANGES TO RIGHT-HAND DRIVING

Highway Research Record, Issue 234, pp 29-36

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1968
DESIGN CRITERIA FOR BREAK-AWAY SIGN SUPPORTS

Highway Research Record, Issue 222, pp 12-19

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1968
AN INVESTIGATION OF WIND LOADS ON ROADSIDE SIGNS

Highway Research Record, Issue 222, pp 1-11

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1968
LETTER AND SIGN CONTRAST, BRIGHTNESS, AND SIZE EFFECTS ON VISIBILITY

Highway Research Record, Issue 216, pp 48-54

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1968
COLOR AND BRIGHTNESS FACTORS IN SIMULATED AND FULL-SCALE TRAFFIC SIGN VISIBILITY

Highway Research Record, Issue 216, pp 55-65

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1968
CRITERIA TO BE USED IN DEVELOPING WARRANTS FOR INTERCHANGES ON RURAL EXPRESSWAYS

Highway Research Record, Issue 244, pp 69-89

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Showing 1626 - 1650 of 1801 records