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1992
ISSUES OF ELDERLY PEDESTRIANS

Transportation Research Record, Issue 1375, p. 68-73

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1992
DEVELOPMENT OF A LOW-PROFILE PORTABLE CONCRETE BARRIER

Transportation Research Record, Issue 1367, p. 36-46

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1991-11
PERSONAL LIABILITY OF STATE HIGHWAY DEPARTMENT OFFICERS AND EMPLOYEES: SUPPLEMENTARY MATERIAL

Selected Studies in Highway Law, Volume 4, 11 p.

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1991-09
MORE SAFETY THANKS TO GOOD ORIENTATION -- NOTHING WORKS WITHOUT TRAFFIC SIGNS

VTI Rapport, v.p.

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1991
Visibility, rail-highway grade crossings, and highway improvement evaluation, 1991

Transportation Research Record, Issue 1327, 88p

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1991
Visibility for roadways, airways, and seaways 1991: proceedings of a conference, July 25-26, 1990, Washington, D.C.

Transportation Research Record, Issue 1316, 72p

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1991
PRACTICAL DETERMINATION OF TUNNEL ENTRANCE LIGHTING NEEDS

Transportation Research Record, Issue 1327, p. 8-13

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1991
VISIBILITY UNDER TRANSIENT ADAPTATION

Transportation Research Record, Issue 1327, p. 14-20

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1991
TRAFFIC SIGNAL VISIBILITY: A PRELIMINARY STANDARD FOR ROUND SIGNAL INDICATIONS DERIVED FROM SCIENTIFIC RESEARCH

Transportation Research Record, Issue 1316, p. 5-12

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1991
TUNNEL LIGHTING: COMPARISON AND TESTS OF SYMMETRICAL, COUNTER-BEAM, AND PRO-BEAM SYSTEMS

Transportation Research Record, Issue 1316, p. 46-53

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1991
LOW-VISIBILITY LIGHTING CRITERIA FOR AIRPORTS AND ROADWAYS

Transportation Research Record, Issue 1316, p. 68-72

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1990
CONSPICUITY OF RETROREFLECTIVE SIGNS AND DEVICES AT NIGHT WHEN DRIVING WITH ONLY ONE HEADLAMP WORKING

Transportation Research Record, Issue 1287, p. 230-243

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1990
COUNTERBEAM LIGHTING, A PROVEN ALTERNATIVE FOR THE LIGHTING OF THE ENTRANCE ZONES OF ROAD TUNNELS

Transportation Research Record, Issue 1287, p. 244-251

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1989-01
RETROREFLECTIVITY RESEARCH TO ENHANCE DRIVER SAFETY

TR News, Issue 140, p. 13-15,32

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1989
Visibility criteria for signs, signals, and roadway lighting

Transportation Research Record, Issue 1247, 101p

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1989
Human performance and highway visibility: design, safety, and methods

Transportation Research Record, Issue 1213, 89p

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1989
CONSPICUITY OF SUPRATHRESHOLD REFLECTIVE TARGETS IN A DRIVER'S PERIPHERAL VISUAL FIELD AT NIGHT

Transportation Research Record, Issue 1213, p. 35-46

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1989
VISIBILITY CRITERIA AND APPLICATION TECHNIQUES FOR ROADWAY LIGHTING

Transportation Research Record, Issue 1247, p. 12-16

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1989
EFFECT OF LUMINAIRE ARRANGEMENT ON OBJECT VISIBILITY

Transportation Research Record, Issue 1247, p. 17-22

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1989
COLOR APPEARANCE OF TRAFFIC CONTROL DEVICES UNDER DIFFERENT ILLUMINANTS

Transportation Research Record, Issue 1247, p. 23-31

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1989
VISIBILITY OF TARGETS

Transportation Research Record, Issue 1247, p. 39-45

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1989
MINIMUM PHOTOMETRIC PROPERTIES OF RETROREFLECTIVE SIGNING MATERIALS

Transportation Research Record, Issue 1247, p. 56-68

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1988-11
RESEARCH PROBLEM STATEMENTS: PEDESTRIANS

Transportation Research Circular, Issue 339, 22 p.

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1988-09
RESEARCH PROBLEM STATEMENTS ON USER INFORMATION SYSTEMS

Transportation Research Circular, Issue 336, 34 p.

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1988
TRAFFIC ACCIDENT ANALYSIS AND ROADWAY VISIBILITY

Transportation Research Record, Issue 1172, 103 p.

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Showing 301 - 325 of 534 records