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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
DETECTION OF THIN CRACKS ON NOISY PAVEMENT IMAGES

Transportation Research Record, Issue 1311, p. 131-135

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1991
HEAD-ON, LEFT-TURN ACCIDENTS AT INTERSECTIONS WITH NEWLY INSTALLED TRAFFIC SIGNALS

Transportation Research Record, Issue 1318, p. 58-63

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1991
DEVELOPMENT OF A MICROCOMPUTER-BASED SYSTEM FOR TRAFFIC SIGNAL MAINTENANCE RECORDS

Transportation Research Record, Issue 1304, p. 27-31

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1991
MISUNDERSTOOD APPLICATIONS OF URBAN WORK ZONE TRAFFIC CONTROL

Transportation Research Record, Issue 1304, p. 245-251

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1991
SIGN ADVISORY SYSTEM FOR LOW-VOLUME ROADS

Transportation Research Record, Issue 1291, p. 182-189

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1990
Traffic control devices for highways, work zones, and railroad grade crossings 1990

Transportation Research Record, Issue 1254, 90p

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1990
HUMAN FACTORS AND SAFETY RESEARCH RELATED TO HIGHWAY DESIGN AND OPERATION 1990

Transportation Research Record, Issue 1281, 175 p.

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1990
SIMULATING TRAFFIC CONTROL DEVICES IN A SUB-AREA NETWORK

Transportation Research Record, Issue 1283, p. 63-69

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1990
ROADWAY AUTOMATION TECHNOLOGY--RESEARCH NEEDS

Transportation Research Record, Issue 1283, p. 158-167

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1990
MEASURING DELAY AND SIMULATING PERFORMANCE AT ISOLATED SIGNALIZED INTERSECTIONS USING CUMULATIVE CURVES

Transportation Research Record, Issue 1287, p. 34-41

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1990
TRAFFIC SIGNAL DELAY MODEL FOR NONUNIFORM ARRIVALS

Transportation Research Record, Issue 1287, p. 42-53

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1990
ESTIMATING AVERAGE CYCLE LENGTHS AND GREEN INTERVALS OF SEMIACTUATED SIGNAL OPERATIONS FOR LEVEL-OF-SERVICE ANALYSIS

Transportation Research Record, Issue 1287, p. 119-128

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1990
LATE-NIGHT TRAFFIC SIGNAL CONTROL STRATEGIES FOR ARTERIAL SYSTEMS

Transportation Research Record, Issue 1287, p. 205-211

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1990
MOTORIST UNDERSTANDING OF AND PREFERENCES FOR LEFT-TURN SIGNALS

Transportation Research Record, Issue 1281, p. 136-147

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1990
HIGHWAY ACCIDENTS IN CONSTRUCTION AND MAINTENANCE WORK ZONES

Transportation Research Record, Issue 1270, p. 12-21

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1990
IMPACT OF DIGITAL FILTERING ON FWD LOAD CELL AND DEFLECTION SENSOR RESPONSES

Transportation Research Record, Issue 1260, p. 147-165

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1990
CRASH TESTS OF WORK ZONE TRAFFIC CONTROL DEVICES

Transportation Research Record, Issue 1254, p. 26-35

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1990
GUIDELINES FOR THE USE OF SELECTED ACTIVE TRAFFIC CONTROL DEVICES AT RAILROAD-HIGHWAY GRADE CROSSINGS (WITH DISCUSSION AND CLOSURE)

Transportation Research Record, Issue 1254, p. 50-59

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1990
EVALUATION OF CONSTANT WARNING TIMES USING TRAIN PREDICTORS AT A GRADE CROSSING WITH FLASHING LIGHT SIGNALS

Transportation Research Record, Issue 1254, p. 60-71

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1990
ASSESSMENT OF WARNING TIME NEEDS AT RAILROAD-HIGHWAY GRADE CROSSINGS WITH ACTIVE TRAFFIC CONTROL

Transportation Research Record, Issue 1254, p. 72-84

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1989-07
SAFETY FACTORS RELATED TO HIGH-SPEED RAIL PASSENGER SYSTEMS

Transportation Research Circular, Issue 351, 26 p.

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1989-06
TRANSIENT PROTECTION, GROUNDING, AND SHIELDING OF ELECTRONIC TRAFFIC CONTROL EQUIPMENT

NCHRP Report, Issue 317, 88 p.

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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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Showing 1376 - 1400 of 1845 records