Catalog Record: Traffic sign retroreflectivity measurement using human observers | HathiTrust Digital Library

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Traffic sign retroreflectivity measurement using human observers /
by Edwin A. Lagergren (Washington State Transportation Center).

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Related Names: Lagergren, Edwin A.
Language(s): English
Published: Olympia, Wash. : Washington State Department of Transportation, [1987]
Subjects: Automobile drivers > Automobile drivers / Vision.
Night driving.
Traffic signs.
Reflectors (Safety devices) > Reflectors (Safety devices) / Evaluation.
Reflectance > Reflectance / Measurement.
Traffic signs and signals > Traffic signs and signals / Evaluation.
Note: "December 22, 1987."
Prepared for Washington State Transportation Commission in cooperation with U.S. Department of Transportation, Federal Highway Administration.
Physical Description: ca. 150 p. in various pagings : ill., charts ; 28 cm.
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