The document reports on the warning system for vehicles stationary on the highway in Europe--the red warning triangle. Standards to be given for perceptibility and wind stability of the red warning triangles. The report analyses the practical conditions on which these standards have been based. It also contains a report on practical research into the perceptibility of a number of warning triangles commercially available early in 1967. (Author)
Red Warning Triangles. Vehicle Perceptibility 3. Function, Design and Application
1970
57 pages
Report
No indication
English