TUNNEL ENTRANCE LIGHTING - EFFECTS OF EIXATION POINT AND OTHER FACTORS ON THE DETERMINATION OF REQUIREMENTS

THE JAPANESE RECOMMENDATIONS FOR DAYTIME TUNNEL ENTRANCE LUMINANCES ARE CONSIDERABLY LOWER THAN THOSE OF CIE AND THE DIFFERENCE HAS BEEN ATTRIBUTED TO THE JAPANESE ASSUMPTION THAT AFTER A CERTAIN POINT ON THE APPROACH A DRIVER'S EYES ARE INCREASINGLY FIXATED ON THE TUNNEL ENTRANCE. TO VERIFY CTHIS THE EYE MOVEMENTS OF DRIVERS APPROACHING TUNNEL ENTRANCES WERE INVESTIGATED BY MEANS OF A CORNEAL REFLECTION EYE-MARKER RECORDER. THE RESULTS SHOW THAT THE CONCEPT OF A FIXATION POINT IS VALID AND AVOIDS THE DIFFICULTY OF DETERMINING THE CIE "ADAPTATION POINT". CONDITIONS WHICH MAY HAMPER THE ADAPTATION OF A DRIVER'S EYES WERE INVESTIGATED AND MODIFICATION OF THE RECOMMENDATIONS TO SUIT THESE CONDITIONS ARE SUGGESTED. /AUTHOR/

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/00243426
• Authors:
  • NARISADA, K
  • Yoshikawa, K
• Publication Date: 1974

Media Info

• Pagination: p. 9-18
• Serial:
  • Lighting Research and Technology
  • Volume: 6 N
  • Publisher: Sage Publications Limited
  • ISSN: 1477-1535
  • Serial URL: http://lrt.sagepub.com/

Subject/Index Terms

• TRT Terms: Eye fixations; Eye movements; Lighting systems; Specifications; Tunnels
• Uncontrolled Terms: Requirement
• Old TRIS Terms: Tunnel lighting
• Subject Areas: Bridges and other structures; Highways; Safety and Human Factors;

Filing Info

• Accession Number: 00222419
• Record Type: Publication
• Files: TRIS
• Created Date: Jul 22 1974 12:00AM