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1990
IMPROVING WORK ZONE DELINEATION ON LIMITED ACCESS HIGHWAYS

Transportation Research Record, Issue 1254, p. 36-43

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1990
DEVELOPING A MARKET ARTERY SYSTEM TO IDENTIFY PRIORITY COMMERCIAL TRUCK ROUTES

Transportation Research Record, Issue 1256, p. 1-6

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1990
URBAN FREEWAY GRIDLOCK STUDY: DECREASING THE EFFECTS OF LARGE TRUCKS ON PEAK-PERIOD URBAN FREEWAY CONGESTION

Transportation Research Record, Issue 1256, p. 16-26

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1990
EFFECTS OF TRUCK STRATEGIES ON TRAFFIC FLOW AND SAFETY ON MULTILANE HIGHWAYS (ABRIDGMENT)

Transportation Research Record, Issue 1256, p. 49-54

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1989-12
CONTINUING PROJECT TO SYNTHESIZE INFORMATION ON HIGHWAY PROBLEMS

NCHRP Research Results Digest, Issue 172, 8 p.

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1989-10
STRATEGIC HIGHWAY RESEARCH PROGRAM. 1989 ANNUAL REPORT

32 p.

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1989-10
RECOMMENDED GUIDELINES FOR REDUNDANCY DESIGN AND RATING OF TWO-GIRDER STEEL BRIDGES

NCHRP Report, Issue 319, 148 p.

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1989-07
FOCUS ON NEW INITIATIVES IN TRANSPORTATION RESEARCH

TR News, Issue 143, p. 2-4

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1989-07
SHRP RESEARCH PRODUCTS EXPECTED BY 1993

TR News, Issue 143, p. 5

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1989-07
SCOR: AASHTO'S ADVOCATE FOR RESEARCH

TR News, Issue 143, p. 8

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1989-07
NCHRP WORKSHOPS DEVELOP PROJECTS

TR News, Issue 143, p. 9

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1989-07
COORDINATING HIGHWAY RESEARCH

TR News, Issue 143, p. 22-23

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1989-06
SUPPLEMENT TO LABOR STANDARDS IN FEDERAL-AID HIGHWAY CONSTRUCTION CONTRACTS

NCHRP Legal Research Digest, Issue 5, 19 p.

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1989-01
THE URBAN FREEWAY CONGESTION PROBLEM

Transportation Research Circular, Issue 344, p. 4-9

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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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1989-01
ANALYTICAL PROCEDURES FOR ESTIMATING FREEWAY TRAFFIC CONGESTION

Transportation Research Circular, Issue 344, p. 38-46

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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
Pavement management and rehabilitation

Transportation Research Record, Issue 1215, 316p

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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
DESIGN AND TESTING OF ROADSIDE SAFETY DEVICES

Transportation Research Record, Issue 1233, 183 p.

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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
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
NOISE INVESTIGATION OF THE PENNSYLVANIA TURNPIKE WIDENING

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

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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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Showing 5501 - 5525 of 8669 records