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1992
Traffic control devices and highway visibility

Transportation Research Record, Issue 1368, 73p

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1992
Traffic operations

Transportation Research Record, Issue 1360, 157p

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1992
MOTORIST UNDERSTANDING OF LEFT-TURN SIGNAL INDICATIONS AND AUXILIARY SIGNS (ABRIDGMENT)

Transportation Research Record, Issue 1376, p. 57-63

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1992
ISSUES IN FLASHING OPERATION FOR MALFUNCTIONING TRAFFIC SIGNALS

Transportation Research Record, Issue 1368, p. 27-30

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1992
NEW COMPUTERIZED TRAFFIC SIGNAL SYSTEM DESIGN

Transportation Research Record, Issue 1360, p. 95-103

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1992
COMPROMISE APPROACH TO OPTIMIZE TRAFFIC SIGNAL COORDINATION PROBLEMS DURING UNSATURATED CONDITIONS

Transportation Research Record, Issue 1360, p. 112-120

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1991-11
LIABILITY OF STATE HIGHWAY DEPARTMENTS FOR DESIGN, CONSTRUCTION, AND MAINTENANCE DEFECTS: SUPPLEMENTARY MATERIAL

Selected Studies in Highway Law, Volume 4, 35 p.

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1991-11
LIABILITY OF STATE AND LOCAL GOVERNMENTS FOR NEGLIGENCE ARISING OUT OF THE INSTALLATION AND MAINTENANCE OF WARNING SIGNS, TRAFFIC LIGHTS, AND PAVEMENT MARKINGS: SUPPLEMENTARY MATERIAL

Selected Studies in Highway Law, Volume 4, 14 p.

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1991-10
RESEARCH INITIATIVES FOR TRAFFIC SIGNAL CONTROL SYSTEMS

Transportation Research Circular, Issue 380, 15 p.

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1991-09
CLOSED TRACK MAINTENANCE WORK ZONE SAFETY DEVICES

VTI Rapport, v.p.

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1991-09
EFFECTS OF THE QUALITY OF TRAFFIC SIGNAL PROGRESSION ON DELAY

NCHRP Report, Issue 339, 106 p.

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1991
Communications, traffic signals, and traffic control devices, 1991

Transportation Research Record, Issue 1324, 145p

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1991
COMPARATIVE ANALYSIS OF DATA TRANSMISSION MEDIA IN SIGNAL SYSTEMS

Project statement (National Cooperative Highway Research Program), p. 75-76

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1991
GEOGRAPHIC INFORMATION SYSTEMS IN TRAFFIC CONTROL

Proceedings of the 1991 Geographic Information Systems (GIS) for Transportation Symposium, p. 205-214

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1991
MEASURING EFFECTS OF VARIABLE MESSAGE SIGNING ON ROUTE-CHOICE AND DRIVING BEHAVIOUR

VTI Rapport, p. 76-84

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1991
TRUE DISTRIBUTED PROCESSING IN MODULAR TRAFFIC SIGNAL SYSTEMS--SAN ANTONIO DOWNTOWN SYSTEM

Transportation Research Record, Issue 1324, p. 130-136

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1991
FUEL SAVINGS THROUGH TRAFFIC SIGNAL HARDWARE IMPROVEMENTS

Transportation Research Record, Issue 1327, p. 73-79

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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
MIGRATION FROM CONVENTIONAL SIGNALING TO NEXT-GENERATION TRAIN CONTROL

Transportation Research Record, Issue 1314, p. 122-125

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

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

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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
ROADWAY AUTOMATION TECHNOLOGY--RESEARCH NEEDS

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

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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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Showing 926 - 950 of 1232 records