Wire Rope Safety Barrier(WRSB) is a type of road safety barrier

Traffic barrier

Traffic barriers keep vehicles within their roadway and prevent vehicles from colliding with dangerous obstacles. Traffic barriers installed at the road side also prevent errant vehicles from traversing steep slopes. Traffic barriers installed at the medians of divided highways are also referred...

. It is also referred to as cable barrier, safety fence

Fence

A fence is a freestanding structure designed to restrict or prevent movement across a boundary. It is generally distinguished from a wall by the lightness of its construction: a wall is usually restricted to such barriers made from solid brick or concrete, blocking vision as well as passage .Fences...

, or cable guardrail.

Common Specifications

	Tension (Low/High)	Containment/Deflection	No. of ropes (1/2/3/4)	Standards - TL3/TL4/other	Symmetrical/Non-Symmetrical
example 1	High	Deflection	4	other	Symmetrical
example 2	High	Containment	4	TL4	Symmetrical

Common characteristics

Tension - High tensioned WRSB are generally tensioned to app. 2.5t during installation (subject to weather conditions, type of WRSB, and other factors). Low tensioned WRSB are not as common as they used to be, the tension is generally very low and close to 0.

Containment or Deflection - based WRSB. Deflection aimed WRSB could be tensioned to slightly higher tension and will most probably use 4 wires (ropes). The overall length of the barrier tends to be shorter. Containment based WRSB will have wire ropes spread further apart from each other (approximately 150mm - 60mm), to increase the catchment area.