Speed bump
A speed bump is a traffic calming device that use vertical deflection to slow motor-vehicle traffic in order to improve safety conditions. Varia…
EV
Snow chains
Snow chains are devices fitted to the tires of vehicles to provide maximum traction when driving through snow and ice. Snow chains attach to the…
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…
Roadrage
Roadrage is aggressive or angry behavior exhibited by motorists. These behaviors include rude and offensive gestures, verbal insults, physical t…
Roadmarks
Roadmarks are used on paved roadways to provide guidance and information to drivers and pedestrians. Uniformity of the markings is an important …
