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1975
AN EVALUATION OF SIGNING TO WARN OF POTENTIALLY ICY BRIDGES

Transportation Research Record, Issue 531, pp 18-35

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1974-02
RECENT DEVELOPMENTS IN HIGHWAY BEAUTIFICATION

Highway Research Circular, Issue 154, 17p

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1974
Traffic control and guidance

Transportation Research Record, Issue 503, 48p

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1974
Safety appurtenances

Transportation Research Record, Issue 488, 93p

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1974
CASE STUDIES OF WRONG-WAY ENTRIES AT HIGHWAY INTERCHANGES IN VIRGINIA

Transportation Research Record, Issue 514, pp 16-28

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1974
COMPARISON OF THREE METHODS FOR EVALUATING TRAFFIC SIGNS

Transportation Research Record, Issue 503, pp 38-47

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1974
ALGORITHM FOR A REAL-TIME ADVISORY SIGN CONTROL SYSTEM FOR URBAN HIGHWAYS

Transportation Research Record, Issue 495, pp 64-74

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1974
U-POST INVESTIGATION

Transportation Research Record, Issue 488, pp 78-88

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1974
WIND-EXCITED VIBRATIONS OF TRI-CHORD OVERHEAD SIGN SUPPORT STRUCTURES (ABRIDGMENT)

Transportation Research Record, Issue 488, pp 89-92

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1974
TRAFFIC CONTROL FOR MAINTENANCE ON HIGH-SPEED HIGHWAYS

Transportation Research Record, Issue 484, pp 24-35

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1974
HIGHWAY LOCATION REFERENCE METHODS

NCHRP Synthesis of Highway Practice, Issue 21, 30 p.

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1973-12
OREGON'S TRAVEL INFORMATION COUNCIL

Highway Research Circular, Issue 152, p. 20-22

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1973-12
URBAN AREA HIGHWAY GUIDE SIGNING

NCHRP Research Results Digest, Issue 52, 7 p.

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1973-12
TRAFFIC CONTROL IN OVERSATURATED STREET NETWORKS

NCHRP Research Results Digest, Issue 51, 9 p.

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1973-12
REPLACING VANDALIZED ROAD SIGNS COSTS FLORIDA $335,000 ANNUALLY

Highway Research News, Issue 53, p. 15-6

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1973-12
AN EXPLORATORY VIEW OF TOURIST INFORMATION SYSTEMS

Highway Research Circular, Issue 152, p. 1-6

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1973-12
VERMONT'S TRAVEL INFORMATION SYSTEM

Highway Research Circular, Issue 152, p. 7-15

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1973-12
NEBRASKA'S INTERSTATE TRAVEL INFORMATION SYSTEM

Highway Research Circular, Issue 152, p. 15-19

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1973-09
CHANGEABLE MESSAGE SIGNS: A STATE-OF-THE-ART REPORT

Highway Research Circular, Issue 147, 12 p.

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1973-08
INFORMATION AND RECOMMENDATIONS FOR IMPROVED QUALITY ALUMINUM SIGN STRUCTURES

Highway Research Circular, Issue 148, 5p

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1973
Visibility and driver information

Highway Research Record, Issue 440, 69p

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1973
HIGHWAY VISIBILITY

Highway Research Board Special Report, Issue 134, 75 p.

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1973
URBAN AREA HIGHWAY GUIDE SIGNING

NCHRP Summary of Progress, p. 113-127

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1973
BASE-BENDING SINGLE SIGNPOSTS

Highway Research Record, Issue 460, pp 137-140

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1973
IMPROVING TRAFFIC OPERATIONS AND SAFETY AT EXIT GORE AREAS

NCHRP Report, Issue 145, 120 p.

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Showing 1526 - 1550 of 1801 records