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1948
CERTAIN STRUCTURAL COMPONENTS OF LETTERS FOR IMPROVING THE EFFICIENCY OF THE STOP SIGN

Highway Research Board Proceedings, Volume 27

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1948
THE EFFECT ON DRIVER BEHAVIOR ON CENTER LINES ON TWO-LANE ROADS

Highway Research Board Proceedings, Volume 27

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1948
TRAFFIC PATTERNS AT A NARROW BRIDGE

Highway Research Board Proceedings, Volume 27

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1946
PROGRESS REPORT OF COMMITTEE ON HIGHWAY MAINTENANCE COSTS AND OPERATING METHODS

Highway Research Board Proceedings, Volume 25

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1944
DESIGN OF SIGNS FOR THE PENTAGON ROAD NETWORK

Highway Research Board Proceedings, Volume 23

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1943
TRAFFIC CONTROL DEVICES FOR BLACKOUT DRIVING

Highway Research Board Proceedings, Volume 22

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1942
REPORT ON THE COMMITTEE ON TRAFFIC CONTROL AND PROTECTION AT URBAN AND RURAL SCHOOL ZONES

Highway Research Board Proceedings, Volume 21

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1941
EFFECTS OF HIGHWAY LIGHTING ON DRIVER BEHAVIOR

Highway Research Board Proceedings, Volume 20

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1941
REPORT OF COMMITTEE ON WARRANTS FOR PEDESTRIAN WALK SIGNALS

Highway Research Board Proceedings, Volume 20

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1941
REPORT OF COMMITTEE ON SAFE APPROACH SPEEDS AT INTERSECTIONS

Highway Research Board Proceedings, Volume 20

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1941
MARKING HIGHWAY CURVES WITH SAFE SPEED INDICATIONS

Highway Research Board Proceedings, Volume 20

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1941
REPORT OF PROJECT COMMITTEE ON SEQUENCE AND OVERLAPPING OF AMBER INDICATION IN TRAFFIC CONTROL SIGNALS

Highway Research Board Proceedings, Volume 20

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1940
SPEED REGULATION AND CONTROL ON RURAL HIGHWAYS

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1940
LEGIBILITY DISTANCES OF HIGHWAY DESTINATION SIGNS IN RELATION TO LETTER HEIGHT, LETTER WIDTH, AND REFLECTORIZATION

Highway Research Board Proceedings, Volume 19

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1939-12
MARKINGS FOR NO-PASSING AREAS AND DISCUSSION

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1939-12
DEVELOPMENT OF INDICES FOR THE USE OF STOP SIGNS IN RURAL AREAS

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1939-12
WARRANTS FOR PEDESTRIAN WALK SIGNALS

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1939-12
SEQUENCE AND OVERLAPPING OF AMBER INDICATION IN TRAFFIC CONTROL SIGNAL OPERATION

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1939-12
TRAFFIC SIGNS

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1939-01
NIGHT-TIME HIGHWAY VISIBILITY AIDS

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1939-01
RIGHT-OF-WAY MAINTENANCE PROBLEMS

Highway Research Board Roadside Development Committee Reports

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1939
OPERATING SPEEDS AND SPEED ZONING

Rural Traffic Problems

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1939
CENTER STRIPPING AND LANE MARKINGS IN OHIO

Rural Traffic Problems

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1939
WARNING SIGNS AND DEVICES FOR ORDINARY HAZARDS, SAFE SPEED SIGNS, ETC.

Rural Traffic Problems

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1939
SPECIAL HAZARD WARNING SIGNS

Rural Traffic Problems

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Showing 6676 - 6700 of 6719 records