Minnesota Department of Transportation

511 Travel Info

Roadside Safety Design

Guardrail and Concrete Barrier Resources

Roadside barriers, such as guardrail and median barriers, are often used to reduce the severity of roadside crashes by preventing the motorist from reaching hazardous roadside obstacles or terrain. The guidance found here will assist practitioners in the use and design of longitudinal barriers, end terminals, and crash cushions.

Topics Covered

Longitudinal barriers
  • Flexible and semi-rigid barriers
  • Rigid barriers
  • Barrier transitions
  • Guardrails
  • Median barriers
Crash cushions
  • Redirective
  • Non-redirective