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1989
MOBILE SYSTEM FOR MEASURING THE RETROREFLECTANCE OF TRAFFIC SIGNS

Transportation Research Record, Issue 1247, p. 69-78

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1989
LARGE GLASS BEADS FOR PAVEMENT MARKINGS

Transportation Research Record, Issue 1230, p. 28-36

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1989
EMBEDMENT AND RETROREFLECTIVITY OF DROP-ON GLASS SPHERES IN THERMOPLASTIC MARKINGS

Transportation Research Record, Issue 1230, p. 37-44

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1989
SIGN LUMINANCE AS A METHODOLOGY FOR MATCHING DRIVER NEEDS, ROADWAY VARIABLES, AND SIGNING MATERIALS

Transportation Research Record, Issue 1213, p. 21-26

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1987
VISIBILITY FOR HIGHWAY GUIDANCE AND HAZARD DETECTION

Transportation Research Record, Issue 1149, 76p

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1985
DRIVER INFORMATION NEEDS AND VISIBILITY OF TRAFFIC CONTROL DEVICES

Transportation Research Record, Issue 1027, 81p

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Showing 226 - 231 of 231 records