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1974
Safety appurtenances

Transportation Research Record, Issue 488, 93p

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1974
Highway maintenance equipment and employee protection

Transportation Research Record, Issue 484, 36p

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1974
PUBLIC TRANSPORTATION OPERATING STANDARDS

Transportation Research Board Special Report, Issue 144, pp 79-92

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1974
TECHNOLOGICAL ASPECTS OF PUBLIC RESPONSIBILITY FOR GRADE CROSSING PROTECTION

Transportation Research Record, Issue 514, pp 33-43

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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
A RAPID SIGNAL TRANSITION ALGORITHM

Transportation Research Record, Issue 509, pp 1-15

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1974
WARRANTS FOR HIGHWAY LIGHTING

NCHRP Report, Issue 152, 117 p.

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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
SOME TRAFFIC SIGNALIZATION DESIGN GUIDES

Transportation Research Record, Issue 503, pp 13-24

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1974
WARRANTING FIXED ROADWAY LIGHTING FROM A CONSIDERATION OF DRIVER WORK LOAD

Transportation Research Record, Issue 502, pp 9-21

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1974
OPTIMIZATION TECHNIQUES APPLIED TO IMPROVING FREEWAY OPERATIONS

Transportation Research Record, Issue 495, pp 75-91

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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
TRAFFIC CONTROL FOR MAINTENANCE ON HIGH-SPEED HIGHWAYS

Transportation Research Record, Issue 484, pp 24-35

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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
HIGHWAY LOCATION REFERENCE METHODS

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

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1974
MAINTENANCE MANAGEMENT OF TRAFFIC SIGNAL EQUIPMENT AND SYSTEMS

NCHRP Synthesis of Highway Practice, Issue 22, 38 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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1973-09
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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1973-05
Research Problem Statements, Committee on Operational Effects of Geometrics

Highway Research Circular, Issue 143, 26p

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1973-05
CONTROL LOGIC FOR TRAFFIC SIGNAL NETWORKS

NCHRP Research Results Digest, Issue 46, 6 p.

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1973-04
CURRENT PRACTICES IN SHOULDER DESIGN, CONSTRUCTION, MAINTENANCE AND OPERATION

Highway Research Circular, Issue 142, 15 p.

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1973-04
SHOULDER PRACTICES AND PERFORMANCE IN TEXAS

Highway Research Circular, Issue 142, p. 13-14

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1973-04
SURVEY ON SHOULDER DESIGN AND OPERATION PRACTICES

Highway Research Circular, Issue 142, p. 1-2

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Showing 6201 - 6225 of 6719 records