Siren
A siren is a sound signal that priority vehicles use to warn other road users that they have to pass.
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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…
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…
Roadrage
Roadrage is aggressive or angry behavior exhibited by motorists. These behaviors include rude and offensive gestures, verbal insults, physical t…
Ramp
High-speed roads generally have a ramp / slip-in lane to give you time to build up speed. Use the ramp to achieve the same speed as the vehicles…
