A guardrail extruder head includes: top and bottom feeder channels; an impact plate having a face for facing oncoming traffic, wherein the face of the impact plate has an upper substantially planar area and a lower substantially planar area separated by a horizontal tooth projecting out between the upper and lower areas; a top plate connecting the impact plate to the top feeder channel; a bottom plate connecting the impact plate to the bottom feeder channel; a front extruder plate coupled between the top and bottom plates; a curved deflector plate attached to the front extruder plate and coupled between the top and bottom plates; a front brace on the front extruder plate near the curved deflector plate and coupled between the top and bottom plates; a back extruder plate opposite to the front extruder plate and coupled between the top and bottom plates.

A post assembly for absorbing impact from a vehicle including a footing, an upright post and a hinge region to allow the post to plastically deform relative to the footing. The post is preferably fixed to a lever arm that is connected to the footing via the hinge region, the lever arm and post pivoting away from the footing under load, The lever arm, footing and hinge region are preferably formed from a common base plate. The invention also relates to barrier system that includes multiple post assemblies, and a barrier supported between respective posts of the assemblies.

A modular system for separating traffic into discrete zones includes a plurality of rail segments pivotally secured to rail mounts. The mounts are configured for rapid and straightforward coupling of rail segments thereto. Moreover, the mounts may be quickly installed and de-installed from a road surface. The overall system therefore provides a physical barrier system that is easily installed and easily modifiable into desired arrangements. Its modular construction of any number of a plurality of distinct rail segments further facilitates customized channelizing design. The modular system includes flexible divider members connectable to the mounts through angled bracket flanges to define visible and aesthetically pleasing physical separation of the traffic into discrete zones.

A protection device (5a) for motorcyclists, adapted to be secured to a road safety barrier (1) with a plurality of poles (3) regularly spaced out, the protection device (5a) including a longitudinal beam (6a) and a spacer (7a) extending longitudinally alongside the rear side of at least one part of the beam (6a) and adapted to be secured to the poles, wherein the beam (6a) and the spacer (7a) are assembled together so as to define, in the part of the beam, a longitudinal damping volume (V) with a closed cross-section.

Aspects of the invention relate to a vehicle security barrier system for hostile vehicle mitigation. The vehicle security barrier system comprising: a panel; first and second support members; and a reinforcing arrangement.

Aspects of the invention relate to a vehicle security barrier system for hostile vehicle mitigation. The vehicle security barrier system comprising: a panel; first and second support members; and a reinforcing arrangement.

The present invention provides a spacer piece for securing a guardrail beam to a support post in a guardrail system, the spacer piece including a breakable portion configured to break preferentially during an impact, and release the beam from the support post.

Disclosed is apparatus for installing a vehicle restraint at a desired location, the apparatus comprising a length of pre-fabricated a base unit locatable in or on the ground at the desired location, the base unit having a plurality of attachment positions at intervals for attachment thereto of at least one substantially vertical support post for supporting the vehicle restraint.

A road safety barrier assembly has a plurality of elements for re-directing a vehicle which impacts against the road safety barrier, a plurality of supports supporting the re-directing elements, sensors and/or light signaling sources. At least some of the supports each comprise a cavity and are distributed along the road safety barrier. Electronic devices distributed along the road safety barrier are each connected to a sensor and/or to a light signaling source and housed in a cavity of a support. Electric cables extend along the road safety barrier and electrically connect each of the electronic devices. Each cavity of the supports is accessible from outside in order to enable replacement or repair of an electronic device housed internally thereof.

Road safety barrier assembly has a barrier and an electric circuit that can be supplied with direct current. The circuit includes an outward electric cable and a return electric cable, and sensors along the barrier for detecting impact of a vehicle against respective portions of the barrier, each sensor causing upon impact detection a switching of electric current from the outward electric cable towards the return electric cable at the respective portion of the barrier. A device is arranged so as to measure a voltage value between the outward electric cable and the return electric cable upstream of the sensors. A control unit is predisposed to receive a signal indicating the voltage value measured by the voltage measuring device and is configured to calculate the distance between the voltage measuring device and the location of impact against the road safety barrier, by applying Ohm's Law.