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1989
EVALUATION OF TWO ACTIVE TRAFFIC CONTROL DEVICES FOR USE AT RAILROAD-HIGHWAY GRADE CROSSINGS

Transportation Research Record, Issue 1244, p. 52-62

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1989
AGE DIFFERENCES IN A VISUAL INFORMATION PROCESSING CAPABILITY UNDERLYING TRAFFIC CONTROL DEVICE USAGE

Transportation Research Record, Issue 1244, p. 63-72

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1989
EFFECTS OF MISAIMED LOW BEAMS AND HIGH BEAMS ON VISUAL DETECTION OF REFLECTORIZED TARGETS AT NIGHT

Transportation Research Record, Issue 1247, p. 1-11

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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
MINIMUM PHOTOMETRIC PROPERTIES OF RETROREFLECTIVE SIGNING MATERIALS

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

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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
TRAFFIC CONTROL FOR SHORT-DURATION MAINTENANCE OPERATIONS ON FOUR-LANE DIVIDED HIGHWAYS

Transportation Research Record, Issue 1230, p. 12-19

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1989
ESTIMATING CAPACITY AND DELAY AT A SINGLE-LANE APPROACH, ALL-WAY STOP-CONTROLLED INTERSECTION

Transportation Research Record, Issue 1225, p. 73-82

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1989
TESTING DELAY MODELS WITH FIELD DATA FOR FOUR-WAY, STOP SIGN-CONTROLLED INTERSECTIONS

Transportation Research Record, Issue 1225, p. 83-90

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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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1989
EFFECTS OF LIGHT SOURCES ON HIGHWAY SIGN COLOR RECOGNITION

Transportation Research Record, Issue 1213, p. 27-34

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1989
REDESIGN AND EVALUATION OF SELECTED WORK ZONE SIGN SYMBOLS

Transportation Research Record, Issue 1213, p. 47-55

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1989
SUPPLEMENTAL INTERCHANGE SIGNING AND DRIVER CONTROL BEHAVIOR

Transportation Research Record, Issue 1213, p. 56-63

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1988-12
SUPPLEMENT TO LIABILITY OF STATE HIGHWAY DEPARTMENTS FOR DESIGN, CONSTRUCTION, AND MAINTENANCE DEFECTS

NCHRP Legal Research Digest, Issue 2, 20 p.

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1988-12
SUPPLEMENT TO LIABILITY OF STATE AND LOCAL GOVERNMENTS FOR NEGLIGENCE ARISING OUT OF THE INSTALLATION AND MAINTENANCE OF WARNING SIGNS, TRAFFIC LIGHTS, AND PAVEMENT MARKINGS

NCHRP Legal Research Digest, Issue 3, 10 p.

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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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1988-08
RESEARCH PROBLEM STATEMENTS ON TRAFFIC CONTROL DEVICES

Transportation Research Circular, Issue 335, 11 p.

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1988-07
GUIDELINES FOR SIGNING AND MARKING OF GENERAL PAVEMENT STUDIES' (GPS) TEST SECTIONS

6 p.

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1988-07
RESEARCH PAYS OFF. NEW SIGN-LIGHTING SYSTEM SAVES ENERGY AND MAINTENANCE

TR News, Issue 137, p. 14-15

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1988
Traffic control devices 1988

Transportation Research Record, Issue 1160, 104p

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1988
DRIVER PERFORMANCE, PEDESTRIAN PLANNING, AND BICYCLE FACILITIES

Transportation Research Record, Issue 1168, 97 p.

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1988
TRANSPORTATION IN AN AGING SOCIETY. IMPROVING MOBILITY AND SAFETY FOR OLDER PERSONS. VOLUME 1 - COMMITTEE REPORT AND RECOMMENDATIONS

Transportation Research Board Special Report, Issue 218, 136 p.

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1988
TRANSPORTATION IN AN AGING SOCIETY. IMPROVING MOBILITY AND SAFETY FOR OLDER PERSONS. VOLUME 2 - TECHNICAL PAPERS

Transportation Research Board Special Report, Issue 218, 414 p.

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1988
POTENTIAL IMPROVEMENTS IN ROADWAY DELINEATION FOR OLDER DRIVERS

Transportation Research Board Special Report, Issue 218, pp 253-269

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Showing 1201 - 1225 of 1801 records