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1972
DRIVER INFORMATION SYSTEMS FOR HIGHWAY-RAILWAY GRADE CROSSINGS

Highway Research Record, Issue 414, pp 59-77

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1972
EVALUATION OF DIAGRAMMATIC SIGNING AT CAPITAL BELTWAY EXIT 1

Highway Research Record, Issue 414, pp 50-58

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1972
FOG DETECTORS FOR CONTROLLING CHANGEABLE-MESSAGE SIGNS

Highway Research Board Special Report, Issue 129, p. 20-23

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1972
DESIGN, OPERATION, AND UTILIZATION OF CHANGEABLE-MESSAGE SIGNS WITH EMPHASIS ON THE ROTATING-DRUM TYPE

Highway Research Board Special Report, Issue 129, p. 33-36

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1972
CHANGEABLE-MESSAGE DISPLAYS: SOME DESIGN CONSIDERATIONS

Highway Research Board Special Report, Issue 129, p. 41-43

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1972
NEWEST COST BREAKTHROUGH FOR CHANGEABLE-MESSAGE MATRIX SIGNS

Highway Research Board Special Report, Issue 129, p. 44-45

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1972
RESEARCH DEVELOPMENT OF THE CHANGEABLE-MESSAGE CONCEPT FOR FREEWAY TRAFFIC CONTROL

Highway Research Board Special Report, Issue 129, p. 24-25

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1972
THE DISTEC SYSTEM: A SIGN OF OUR TIMES

Highway Research Board Special Report, Issue 129, p. 37-40

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1972
CHANGEABLE-MESSAGE SIGNS

Highway Research Board Special Report, Issue 129, p. 26-28

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1972
USE OF CHANGEABLE-MESSAGE SIGNS BY PORT AUTHORITY

Highway Research Board Special Report, Issue 129, p. 17-19

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1972
SOME PRINCIPLES FOR COMMUNICATING WITH DRIVERS THROUGH THE USE OF VARIABLE-MESSAGE DISPLAYS

Highway Research Board Special Report, Issue 129, p. 2-6

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1972
CHANGEABLE-MESSAGE SIGNS IN OHIO

Highway Research Board Special Report, Issue 129, p. 7-12

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1972
POTENTIAL USES OF VARIABLE-MESSAGE SIGNS IN NEW YORK CITY

Highway Research Board Special Report, Issue 129, p. 13-16

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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
AUTOMATIC TRAFFIC OPERATIONS AND MAINTENANCE IN THE PORT OF NEW YORK AUTHORITY

Highway Research Board Special Report, Issue 128, p. 93-95

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1972
THE LOS ANGELES 42-MILE SURVEILLANCE AND CONTROL PROJECT

Highway Research Board Special Report, Issue 128, p. 96-99

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1972
SAFETY EVALUATION OF FORCED WEAVING AS A TRAFFIC CONTROL MEASURE IN FREEWAY MAINTENANCE OPERATIONS

Highway Research Record, Issue 388, pp 84-93

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1972
SPEED PROFILES APPROACHING A TRAFFIC SIGNAL

Highway Research Record, Issue 384, pp 17-23

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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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1971-01
IMPROVED CRITERIA FOR TIMING TRAFFIC SIGNAL SYSTEMS IN URBAN NETWORKS

NCHRP Research Results Digest, Issue 26, 3 p.

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1971
Traffic control and driver information

Highway Research Record, Issue 366, 132p

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1971
Operational improvements for freeways

Highway Research Record, Issue 363, 59p

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1971
Design of Sign Supports and Structures

Highway Research Record, Issue 346, 66p

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of 269 pages    

Showing 6276 - 6300 of 6719 records