The number of accidents on twenty road sections with guide posts provided with reflectors, was compared to the number on twenty control sections. The test started in January 1977 and has been in progress for somewhat more than two years. During this time 584 police reported accidents occurred on the stretches with guide posts and 615 on the control sections. After a correction of the numbers with regard to differences in vehicle kilometers, the increase of safety with guide posts, was calculated to three percent.a closer analysis of the accidents shows that the guide posts have little effect on accidents involving wild animals, while the effect on accidents involving one or several vehicles can be as high as 5-10 percent. Earlier, tests were done with reflectors on snow guide posts on almost the same road sections, but with a considerably higher effect. The causes of the different results are discussed in the report. (TRRL)

  • Corporate Authors:

    Swedish National Road Administration

    Fack S-10220
    Stockholm 12,   Sweden 
  • Publication Date: 1980


  • Swedish

Media Info

  • Features: Tables;
  • Pagination: 26 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00334660
  • Record Type: Publication
  • Source Agency: Swedish National Road and Transport Research Institute (VTI)
  • Report/Paper Numbers: Meddelande Tu 1980:7Monograph
  • Files: ITRD, TRIS
  • Created Date: Aug 15 1981 12:00AM