An anchorless crash cushion apparatus having a plurality of interconnected water-filled crash cushion elements and a non-water filled forward-most cushion element includes vehicle capture structure resisting upward tilting of an impacting vehicle and ramping of the impacting vehicle and stabilizing structure resisting relative rotation between the crash cushion elements in both vertical and lateral planes during vehicle impact. A transition weldment is employed to connect the anchorless crash cushion apparatus to a rigid hazard object.

A barrier element for bounding a carriageway including an elongated casing, having two opposing longitudinal side walls and an upper wall joining the two side walls; and at least one casing support structure located in the elongate casing and connecting to both the side walls. Additionally, a support structure for use in a barrier element.

A surface mount security barrier includes a non-metallic matrix supporting and substantially encapsulating metal ballast. The security barrier has a mass in excess of 6 tonnes and a ratio of metal ballast to non-metallic matrix in excess of 1.5:1 by mass. A method of manufacturing such a security barrier is also provided.

A security barrier includes a plurality of barrier islands. Each barrier island has a concrete crash block having at least one pair of opposing side faces and external fixing elements on the opposing side faces. Attachments, which may be flexible attachments, extend between the external fixing elements of adjacent barrier islands of the security barrier. Each barrier island also has one or more load transfer element within the concrete crash block and, under load, the load transfer elements transfer load from the external fixing elements on one side of the concrete crash block to the external fixing elements on the opposing side of the concrete crash block.

An elongate barrier (3) comprises an outer shell in an elongate lower section of the barrier that defines a cavity (11) that receives and contains a pourable settable ballast material when the barrier is being manufactured. The barrier also comprises a solid block (15) of a ballast material in the cavity formed from the pourable settable ballast material.

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.

The present invention relates to a friction-increasing element for attachment to a roadblock, comprising: a friction-increasing element body for attachment to the roadblock, and at least one tapered contact edge, which tapered contact edge is carried by the friction-increasing element body such that the tapered contact edge is facing away from the friction-increasing element body. The invention also relates to a roadblock provided with a least one of such friction-increasing element.

Connectors and systems for connecting multiple traffic barriers is provided. The connector includes a joint plate having a first side and a second side, at least one strengthening plate coupled to the first side, a left joint, coupled to the second side, including at least two protrusions being spaced apart from each other such that the left joint is configured to receive a complimentary joint, and a right joint, coupled to the second side, including at least two protrusions being spaced apart from each other such that the right joint is configured to receive a complimentary joint.

An anchorless crash cushion apparatus having a plurality of interconnected water-filled crash cushion elements and a non-water filled forward-most cushion element includes vehicle capture structure resisting upward tilting of an impacting vehicle and ramping of the impacting vehicle and stabilizing structure resisting relative rotation between the crash cushion elements in both vertical and lateral planes during vehicle impact. The forward-most cushion element defines a notch and a metal nose cap having a weakened midsection is located in front of the notch.

An anchorless crash cushion apparatus having a plurality of interconnected water-filled crash cushion elements and a non-water filled forward-most cushion element includes vehicle capture structure resisting upward tilting of an impacting vehicle and ramping of the impacting vehicle and stabilizing structure resisting relative rotation between the crash cushion elements in both vertical and lateral planes during vehicle impact. A transition weldment is employed to connect the anchorless crash cushion apparatus to a rigid hazard object.