Infinitely More See 810762

As drivers, we are aware of the devices used by Traffic Engineers to present a better picture of the road and hence ease our driving task. Many products are used for this purpose and their characteristics and limitations are discussed in this paper.
At night, markings are dependent primarily upon vehicle headlights for visibility and must be efficient reflecting devices to be seen at useful distances.
Two principles of retroreflectance are described and their properties are compared. Relationship between the light source and the viewer's eye are covered.
Recent technology utilizing the triple-mirror type of reflector has greatly increased the assurance of driver guidance, particularly in the rain and other adverse weather conditions.
Examples of the installation of various types of delineations are shown. Accident data and cost/benefit ratios are discussed.


Subscribers can view annotate, and download all of SAE's content. Learn More »


Members save up to 43% off list price.
Login to see discount.
Special Offer: With TechSelect, you decide what SAE Technical Papers you need, when you need them, and how much you want to pay.