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1972
THE CHANGEABLE MESSAGE CONCEPT OF TRAFFIC CONTROL - INTRODUCTION

Highway Research Board Special Report, Issue 129, 1 p.

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1972
VARICOM TRAFFIC CONTROL AND COMMUNICATION SYSTEM

Highway Research Board Special Report, Issue 129, p. 29-32

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1972
CONTROL OF A FREEWAY SYSTEM BY MEANS OF RAMP METERING AND INFORMATION SIGNS - WITH DISCUSSION

Highway Research Record, Issue 388, pp 62-72

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1971-09
MOTORIST WARNING SYSTEM FOR DUST STORMS UNDER TEST BY ARIZONA HIGHWAY DEPARTMENT

Highway Research News, Issue 45, pp 36-39

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1971-02
DEVELOPMENT ON INFORMATION REQUIREMENTS AND TRANSMISSION TECHNIQUES FOR HIGHWAY USERS

NCHRP Research Results Digest, Issue 28, 4 p.

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1971
Traffic control and driver information

Highway Research Record, Issue 366, 132p

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1971
Visibility

Highway Research Record, Issue 377, 148p

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1971
Design of Sign Supports and Structures

Highway Research Record, Issue 346, 66p

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1971
A SYNTHESIS OF CASE LAW JURISPRUDENCE RELATING TO WET- WEATHER HIGHWAY CONDITIONS

Highway Research Record, Issue 376, pp 29-36

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1971
A BRIGHTNESS INVENTORY OF CONTEMPORARY SIGNING MATERIALS FOR GUIDE SIGNS, WITH DISCUSSION AND CLOSURE

Highway Research Record, Issue 377, p. 69-91

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1971
DEVELOPMENT OF INFORMATION REQUIREMENTS AND TRANSMISSION TECHNIQUES FOR HIGHWAY USERS

NCHRP Report, Issue 123

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1971
STUDY OF DESIGN CONSIDERATION FOR REAL-TIME FREEWAY INFORMATION SYSTEMS AND DISCUSSION

Highway Research Record, Issue 363, pp 1-17

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1971
ACCOMPLISHMENTS IN FREEWAY OPERATIONS OUTSIDE THE UNITED STATES

Highway Research Record, Issue 368, pp 9-25

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1971
LEGIBILITY AND BRIGHTNESS IN SIGN DESIGN

Highway Research Record, Issue 366, pp 37-47

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1971
DETERMINATION OF SIGN LETTER SIZE REQUIREMENTS FOR NIGHT LEGIBILITY BY COMPUTER SIMULATION

Highway Research Record, Issue 366, pp 48-63

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1971
EVALUATION OF REAL-TIME VISUAL INFORMATION DISPLAYS FOR URBAN FREEWAYS WITH DISCUSSION

Highway Research Record, Issue 366, pp 64-78

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1971
TRAFFIC DELAY AND WARRANTS FOR CONTROL DEVICES

Highway Research Record, Issue 366, pp 79-91

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1971
MEDIAN VISIBILITY IMPROVEMENTS: NEEDS, METHODS, AND TRENDS

Highway Research Record, Issue 366, pp 92-101

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1971
A COMPARISON OF SELECTED TRAFFIC INFORMATION DEVICES

Highway Research Record, Issue 366, pp 116-129

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1971
THE LEGAL RESPONSIBILITIES OF MAINTENANCE OPERATIVES IN THE LIABILITY SECTOR

Highway Research Record, Issue 347, pp 124-134

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1971
CALIFORNIA EXPLORES METHODS OF FIGHTING CONTINUING PROBLEM OF WRONG-WAY DRIVING

Highway Research News, Issue 44, pp 31-33

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1971
OHIO HIGHWAY TRANSPORTATION RESEARCH CENTER WILL BE PARTIALLY OPERATIONAL BY END OF YEAR

Highway Research News, Issue 44, pp 30-31

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1971
NEW DESIGN APPROACH TO LONG-SPAN OVERHEAD SIGN STRUCTURES

Highway Research Record, Issue 346, pp 1-10

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1971
BUCKLING STRESS FORMULAS FOR OVERHEAD SIGN BRIDGE SUPPORTS

Highway Research Record, Issue 346, pp 11-22

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1971
IMPACT RESPONSE OF OVERHEAD SIGN BRIDGES MOUNTED ON BREAKAWAY SUPPORTS

Highway Research Record, Issue 346, pp 23-34

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Showing 1576 - 1600 of 1801 records