Suspension
The suspension is the system of tires, tire pressure, springs, shock absorbers and couplings that connects the vehicle to the tires. The wheel s…
face
Slippery road
Road slipperiness is a condition of low skid resistance due to insufficient road friction. It is a result of snow, ice, water, loose material an…
Rockfall
Rockfall refers to quantities of rock falling freely from a cliff face. A rockfall is a fragment of rock detached by sliding or falling, that fa…
Roadmarks
Roadmarks are used on paved roadways to provide guidance and information to drivers and pedestrians. Uniformity of the markings is an important …
Roadworks
In roadworks, temporary orange colored lines are often painted on the road surface. The orange stripes then replace the white ones.
