Barrier

A barrier is a (or barricade) is a physical measure with the aim to block or impede traffic flows.

Description

A barrier as measure is an intentional obstruction of traffic, irrespective of its mode. A barrier can either by static (in place all the time) or dynamic (able to actively open or close).

Examples

Static barriers

• Fitch Barrier, a plastic barrel filled with sand or water, used on highways as an impact attenuator
• Roadblock, a temporary installation to control or block traffic on a road
• Vehicle barriers (crash barrier), used to keep vehicles within their roadway
  • Cable barrier
  • Concrete step barrier
  • Constant slope barrier
  • F-Shape barrier
  • Guard rail
  • Jersey barrier or K-rail, a type of concrete barrier used to divide highway traffic
• Crowd control barrier, a type of temporary fencing
• Mojo Barrier, a type of temporary fencing used at festivals and concerts

Dynamic barriers

• Automatic full barriers, which serve to block roads at railway crossings