Human Factors Guidelines for Road Systems - Collection C: Chapters 16, 17, 18, 19, 20, 22 (Tutorials 4, 5, 6), 23 (Updated), 24, 25, 26 (Updated) (2010) / Chapter Skim
Currently Skimming:
Visibility of Lane Markings
Visibility of Lane Markings
Pages 52-53
The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.
From page 52... ...
For this and other safety reasons, it is important that drivers are able to see and understand lane markings from an appropriate distance. Design Guidelines Factor Guideline Preview Time Absolute minimum preview time = 3 s Recommended preview time = 5 s Marking-Specific Minimum Dark Luminance = 100 mcd/m2/lux Luminance Minimum (adjusted for dirt)
|
From page 53... ...
found that short-range driving performance, including activities such as lane positioning, is more reliant on driver peripheral vision than foveal vision. Wider markings are believed to provide a stronger signal to the driver's peripheral vision over standard width markings, thereby improving driver comfort and short-range performance.
|
Key Terms
This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
More
information on Chapter Skim is available.