Appliance of road safety drawn with double role:

1. Provide in the motorist effective means of determination of extence bands in motorways and streets with double band pre direction.
2. Function as system of energy obsorption in the collission event in the bisector island.

They are constructed by durable polyethylene of high density (HD) with protection anti-UV in two sizes:

They bring stuck of reflective arrows white colour from reflective membrane type II providing high nightly and daily visibility. They are placed easily in the operation place with connection plugs.

Basic colour green. (On order, possibility and other colours e.g. blue for national roads and yellow for worksites).