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1989-01
THE NEED FOR INTER-AGENCY COOPERATION DURING INTERSTATE HIGHWAY MOVEMENT OF OVERSIZE LOADS AND DIVERSION OF TRUCKS AROUND METROPOLITAN AREAS

Transportation Research Circular, Issue 344, p. 10-14

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1989
Freeway speed-flow-concentration relationships: more evidence and interpretations

Transportation Research Record, Issue 1225, 53-60

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1989
Urban traffic systems and operations

Transportation Research Record, Issue 1232, 115p

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1989
Visibility criteria for signs, signals, and roadway lighting

Transportation Research Record, Issue 1247, 101p

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1989
Pavement management and rehabilitation

Transportation Research Record, Issue 1215, 316p

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1989
DESIGN AND TESTING OF ROADSIDE SAFETY DEVICES

Transportation Research Record, Issue 1233, 183 p.

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1989
SAFETY ISSUES: PEDESTRIANS, LAW ENFORCEMENT, SEAT BELTS, ELDERLY DRIVERS, AND ECONOMICS

Transportation Research Record, Issue 1210, 71 p.

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1989
VEGETATION ENHANCEMENT VIA SPECIES AND CULTIVAR SELECTION: A PERSPECTIVE

Transportation Research Record, Issue 1246, p. 49-53

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1989
EFFECTS OF TEMPERATURE AND MOISTURE ON THE LOAD RESPONSE OF GRANULAR BASE COURSE MATERIAL IN THIN PAVEMENTS

Transportation Research Record, Issue 1252, p. 33-41

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1989
DURABILITY OF A POLYPROPYLENE GEOTEXTILE IN AN UNPAVED ROAD STRUCTURE

Transportation Research Record, Issue 1248, p. 1-12

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1989
PRIORITY RATING OF HIGHWAY ROUTINE MAINTENANCE ACTIVITIES

Transportation Research Record, Issue 1246, p. 54-64

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1989
NOISE INVESTIGATION OF THE PENNSYLVANIA TURNPIKE WIDENING

Transportation Research Record, Issue 1240, p. 25-27

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1989
ACCIDENT COMPARISON OF RAISED MEDIAN AND TWO-WAY LEFT-TURN LANE MEDIAN TREATMENTS

Transportation Research Record, Issue 1239, p. 30-40

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1989
SAFETY EFFECTS OF LEFT-TURN LANES ON URBAN FOUR-LANE ROADWAYS

Transportation Research Record, Issue 1239, p. 17-22

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1989
EVALUATION OF UNMANNED RADAR INSTALLATIONS

Transportation Research Record, Issue 1244, p. 7-16

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1989
METHOD FOR DETERMINING OPTIMAL BLADING FREQUENCY OF UNPAVED ROADS

Transportation Research Record, Issue 1252, p. 21-32

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1989
FREEWAY SPEED-FLOW-CONCENTRATION RELATIONSHIPS: MORE EVIDENCE AND INTERPRETATIONS (WITH DISCUSSION AND CLOSURE)

Transportation Research Record, Issue 1225, p. 53-60

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1989
EVALUATION OF OPERATIONAL EFFECTS OF FREEWAY RECONSTRUCTION ACTIVITIES

Transportation Research Record, Issue 1232, p. 27-39

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1989
EVALUATION OF AGWA-II THERMAL CONDUCTIVITY SENSORS FOR SOIL SUCTION MEASUREMENT

Transportation Research Record, Issue 1219, p. 131-143

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1989
OPTIMAL DESIGN OF TRAFFIC COUNTS

Transportation Research Record, Issue 1236, p. 34-39

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1989
ON-LINE GENERATION OF SYNTHETIC ORIGIN-DESTINATION COUNTS FOR APPLICATION IN FREEWAY CORRIDOR TRAFFIC CONTROL

Transportation Research Record, Issue 1236, p. 40-49

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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
LOCAL OPTION MOTOR FUEL TAXES

Transportation Research Record, Issue 1229, p. 127-136

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1989
EVALUATION OF SPEED ESTIMATES MADE WITH SINGLE-DETECTOR DATA FROM FREEWAY TRAFFIC MANAGEMENT SYSTEMS

Transportation Research Record, Issue 1232, p. 9-16

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1989
PARTICIPATORY PROCESS FOR MANAGING ROADSIDE VEGETATION

Transportation Research Record, Issue 1224, p. 6-14

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Showing 6651 - 6675 of 10174 records