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…
highway crash
Median strip
The median strip or central reservation is the reserved area that separates opposing lanes of traffic on divided roadways, such as divided highw…
Lane
A lane is part of a roadway that is designated to be used by a single line of vehicles, to control and guide drivers and reduce traffic conflict…
Guardrail
A guardrail or crash barrier is a barrier placed next to roads to prevent vehicles from leaving the road in a lateral direction, tilting or trav…
Emergency hammer
An emergency hammer is a safety device used in vehicles or buildings to break through window glass in an emergency. Many are attached to a cable…
