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1981-05
DETECTION OF WORK ZONE TRAFFIC CONTROL DEVICES

Transportation Research Circular, Issue 229, p. 35-37

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1981-04
RESEARCH PROBLEM STATEMENTS IN LANDSCAPE AND ENVIRONMENTAL DESIGN

Transportation Research Circular, Issue 226, 7 p.

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1981-03
IDENTIFICATION OF TRANSPORTATION DATA NEEDS AND MEASURES FOR FACILITATION OF DATA FLOWS

Transportation Research Board Unpublished Report, Issue 21, v.p.

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1981
Automated Track-Geometry Inspection

Transportation Research News, Issue 92, pp 2-3

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1981
Comparison of Alternative Traffic Control Strategies at A T-Intersection

Transportation Research Board Special Report, Issue 194, pp 87-89

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1981
Accommodating Billboards Along Roadsides

Transportation Research Record, Issue 805, p 18

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1981
Operational effects of geometrics and improvement evaluations

Transportation Research Record, Issue 819, 49p

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1981
Roadside maintenance (includes proceedings of Symposium on Roadside Vegetation Management and Manipulation)

Transportation Research Record, Issue 805, 23p

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1981
Contractual Relationships: An Essential Ingredient of the Quality-Assurance System and Other Quality-Control Papers

Transportation Research Record, Issue 792, 53p

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1981
Environmental issues in transportation: Analysis, Noise, and Air Quality

Transportation Research Record, Issue 789, 54p

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1981
SUMMARY OF PROGRESS THROUGH 1981 (NCHRP)

NCHRP Summary of Progress, 177 p.

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1981
POLYMER STABILIZATION OF SANDY SOILS FOR EROSION CONTROL

Transportation Research Record, Issue 827, pp 30-34

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1981
FIELD EVALUATION OF HIGHWAY ADVISORY RADIO FOR TRAFFIC MANAGEMENT IN WORK ZONES (ABRIDGMENT)

Transportation Research Record, Issue 833, pp 1-3

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1981
USE OF CHEVRON PATTERNS ON TRAFFIC CONTROL DEVICES IN WORK ZONES (ABRIDGMENT)

Transportation Research Record, Issue 833, pp 3-6

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1981
EFFECTIVENESS OF CITY TRAFFIC-CONTROL PROGRAMS FOR CONSTRUCTION AND MAINTENANCE WORK ZONES

Transportation Research Record, Issue 833, pp 6-10

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1981
ALTERNATIVE SIGN SEQUENCES FOR WORK ZONES ON RURAL HIGHWAYS (ABRIDGMENT)

Transportation Research Record, Issue 833, pp 13-17

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1981
PORTABLE HYDRODYNAMIC BRINE ROADWAY DEICER SYSTEM (ABRIDGMENT)

Transportation Research Record, Issue 833, pp 30-32

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1981
ROUGHNESS AND ROADWAY SAFETY

Transportation Research Record, Issue 836, pp 8-14

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1981
EFFECTS OF DIFFERENTIAL PAVEMENT FRICTION ON THE RESPONSE OF CARS IN SKIDDING MANEUVERS

Transportation Research Record, Issue 836, pp 61-67

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1981
SPEED ENFORCEMENT, VISIBILITY, AND EFFECTS OF TRAFFIC CONTROL MEASURES ON DRIVERS

Transportation Research Record, Issue 811, 41 p

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1981
NETWORK SIMULATION INTERACTIVE COMPUTER GRAPHICS PROGRAM

Transportation Research Record, Issue 835, pp 52-66

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1981
DEMAND-SUPPLY MODELING FOR TRANSPORTATION SYSTEM MANAGEMENT

Transportation Research Record, Issue 835, pp 80-86

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1981
PERFORMANCE OF OPEN-GRADED ASPHALTIC CONCRETE FRICTION COURSES IN ARIZONA

Transportation Research Record, Issue 821, pp 1-4

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1981
CHARACTERISTICS AND PERFORMANCE OF ASPHALT-RUBBER MATERIAL CONTAINING A BLEND OF RECLAIM AND CRUMB RUBBER

Transportation Research Record, Issue 821, pp 29-37

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1981
OVERVIEW OF PAY-ADJUSTMENT FACTORS FOR ASPHALT CONCRETE MIXTURES

Transportation Research Record, Issue 821, pp 49-56

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Showing 7751 - 7775 of 9478 records