Road markers are partly equipped with blue reflective stripes. The semicircular profiles reflect light. The piece of plastic is small but has a great effect. Guess what.
Delineators roadside are road signs and to enforce road safety. The one-meter and twelve centimeters wide posts, plastic feature recessed white reflectors. They are in the dark; facilitate orientation in fog or snow.
Lately they are also fitted on routes with increased Wildwechsel with special blue reflectors, announced the TÜV Nord. These reflectors but do not serve the better orientation on the unlit road. But they are, for example, deer and wild boar keep them from running onto the road when a vehicle is approaching.
The principle: When the headlights strikes the reflectors of the posts, beams curved reflectors blue light in a wide angle. The blue scattered in the side street space light turn discourages wildlife. They appreciate it as restless and dangerous. It can avoid the driver can’t see clearly something without reflective material.
Blue light for more safety
While conventional methods such as hanging from CDs in trees, scent fences or red reflectors, the animals do not keep away from the roadway, Wildlife shy proven back in front of blue light. Probably because their specialized for seeing at dusk and dark eyes do not have receptors for red light. A research project by ADAC and the German Hunting Association could prove 2011 that can be accidents involving animals by using the blue reflectors are reduced by up to 80 percent. Accordingly, more and more vulnerable roads are equipped with them.
Blue light on the road
Motorists instantly know what the blue flashing light means. Whoever recognizes in the rearview mirror, immediately take your foot off the accelerator and makes way for police wearing safety vest, fire or ambulance service. But why is the blue light actually blue?