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1959
Night visibility 1959

Highway Research Board Bulletin, Issue 226, 64p

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1959
BACKGROUND AND OBJECTIVES OF THE U.S. STANDARD FOR COLORS OF SIGNAL LIGHTS

Highway Research Board Bulletin, Issue 226, 7p

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1959
PROPOSED CHANGES IN TRAFFIC SIGNAL COLOR STANDARDS

Highway Research Board Bulletin, Issue 226, 2p

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1958
A COLOR COMPARATOR FOR LIGHTS IN THE VICINITY OF TRAFFIC SIGNALS

Highway Research Board Bulletin, Issue 191, 6p

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1958
EXPERIMENTAL STUDIES OF NIGHT VISION AS A FUNCTION OF AGE AND CHANGES IN ILLUMINATION

Highway Research Board Bulletin, Issue 191, 16p

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1957
CHARTS FOR HIGHWAY NEEDS STUDIES

Highway Research Board Bulletin, Issue 158, 7p

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1957
VISION AT LEVELS OF NIGHT ROAD ILLUMINATION II. LITERATURE 1952-1956

Highway Research Board Bulletin, Issue 146, 9p

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1956
SAFETY HAZARD OF TINTED AUTOMOBILE WINDSHIELDS AT NIGHT

Highway Research Board Bulletin, Issue 127, 8p

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1954
EFFECT OF WAVE-LENGTH CONTRASTS ON DISCRIMINATION THRESHOLDS UNDER MESOPIC VISION

Highway Research Board Bulletin, Issue 89

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1953
Effect of tinted windshields and vehicle headlighting on night visibility

Highway Research Board Bulletin, Issue 68, 61p

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1953
EFFECT OF TINTED WINDSHIELDS ON NIGHTTIME-VISIBILITY DISTANCES

Highway Research Board Bulletin, Issue 68

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1952
Vision at Levels of Night Road Illumination

Highway Research Board Bulletin, Issue 56, pp 36-65

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1952
ANALYSIS OF CERTAIN VARIABLES RELATED TO SIGN LEGIBILITY

Highway Research Board Bulletin, Issue 60

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1951
PRESENT PREFERENCES FOR TRAFFIC PAINT

Highway Research Board Bulletin, Issue 36, pp 7-24

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1949-07
ROADWAY PAVEMENT MARKINGS

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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1938
SEEING ON THE HIGHWAY, RECENT RESEARCHES ON LIGHTING REQUIREMENTS

Highway Research Board Proceedings, Volume 17

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1935
EFFECTIVENESS OF VARIOUS HIGHWAY SIGNS

Highway Research Board Proceedings, Volume 14

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1934
REVIEW OF DATA ON BITUMINOUS COATINGS AND RELATION OF TEMPERATURE TO CURING METHODS

Highway Research Board Proceedings, Volume 13

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1928
COLOR AND FORM OF TRAFFIC SIGNALS AND SIGNS IN RELATION TO SAFETY

Highway Research Board Proceedings, Volume 7

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Showing 151 - 170 of 170 records