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Runaway truck ramp

Runaway truck ramp

A runaway truck ramp is a traffic device that enables vehicles which are having braking problems to safely stop. It is typically a long, sand- o…

Roof rack

Roof rack

A roof rack is a set of bars secured to the roof of a car. It is used to carry bulky items such as luggage, bicycles, canoes, kayaks, skis, or v…

Rockfall

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

Roadmarks are used on paved roadways to provide guidance and information to drivers and pedestrians. Uniformity of the markings is an important …

Roadworks

Roadworks

In roadworks, temporary orange colored lines are often painted on the road surface. The orange stripes then replace the white ones.

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