REFLECTION CLASSIFICATION OF DRY AND WET ROAD SURFACES
A method of classifying road surfaces with respect to their light reflection properties has been developed. The classification system unifies the four existing n classes for dry road surfaces and four new classes for wet road surfaces. The classification system has been developed by statistical analysis of a great number of measurements of road surfaces, in both dry and wet conditions. The system of classes is intended for use in road lighting codes based on luminance requirements, and especially such codes which contain luminance requirements for both dry and wet conditions. The system of classes will also be useful for investigations on optimal lantern light distributions and road lighting geometries.(a) /TRRL/
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Availability:
- Find a library where document is available. Order URL: http://worldcat.org/issn/00243426
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Corporate Authors:
Illuminating Engineering Society
York House, 199 Westminster Bridge Road
London SE1 7UN, England -
Authors:
- Frederiksen, E
- Soefensen, K
- Publication Date: 1976
Language
- English
Media Info
- Features: Figures; References; Tables;
- Pagination: p. 175-186
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Serial:
- Lighting Research and Technology
- Volume: 8
- Issue Number: 4
- Publisher: Sage Publications Limited
- ISSN: 1477-1535
- Serial URL: http://lrt.sagepub.com/
Subject/Index Terms
- TRT Terms: Brightness; Classification; Luminance; Methodology; Pavements; Reflection; Reflectivity; Statistical analysis; Street lighting; Surface course (Pavements); Surfacing; Wet weather
- Uncontrolled Terms: Wet pavements
- ITRD Terms: 8513: Classification; 545: Lighting (street); 525: Luminance; 9102: Method; 5926: Reflectivity; 2972: Surfacing; 3015: Wet road
- Subject Areas: Data and Information Technology; Highways; Pavements; Safety and Human Factors; I23: Properties of Road Surfaces;
Filing Info
- Accession Number: 00149653
- Record Type: Publication
- Source Agency: Transport and Road Research Laboratory (TRRL)
- Files: ITRD, TRIS
- Created Date: Jun 22 1977 12:00AM