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1970
SOME EFFECTS OF LATERAL SIGN DISPLACEMENT

Highway Research Record, Issue 325, pp 15-29

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1970
A STUDY OF LATERAL SIGN PLACEMENT

Highway Research Board Special Report, Issue 107, p 181

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1968
AN INVESTIGATION OF WIND LOADS ON ROADSIDE SIGNS

Highway Research Record, Issue 222, pp 1-11

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1967
BREAK-AWAY COMPONENTS PRODUCE SAFER ROADSIDE SIGNS

Highway Research Record, Issue 174, pp 1-29

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1967
TRAFFIC SAFETY AND THE HIGHWAY ENGINEER

Highway Research News, Issue 26, Pp46-49

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1957
SIGN BRIGHTNESS IN RELATION TO POSITION, DISTANCE, AND REFLECTORIZATION

Highway Research Board Bulletin, Issue 146, 32p

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1957
THE EFFECTS OF UNDERLINING ON THE READABILITY OF HIGHWAY DESTINATION SIGNS

Highway Research Board Proceedings, Volume 36

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1954-05
EXPRESSWAY SIGNS IN THE CHICAGO METROPOLITAN AREA

Highway Research Abstracts

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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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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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1939-12
TRAFFIC SIGNS

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1939
SPECIAL HAZARD WARNING SIGNS

Rural Traffic Problems

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Showing 26 - 38 of 38 records