Abstract: Disclosed is a barrier, comprising: a plurality of posts; a first beam and a second beam arranged in an end-on relation to one another and extending between respective posts of the plurality of posts, wherein the first beam and second beam are longitudinally displaceable with respect to one another; and, an articulating link connecting the first beam and the second beam, wherein the articulating link translates a longitudinal movement of the first beam in a first direction to a longitudinal movement of the second beam in a second direction.

Abstract: 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.

Abstract: A vehicle barrier includes a longitudinally extending beam positioned vertically above a ground level and separating a protected side from an attack side, the beam comprising beam sections, each of the beam sections comprising a web oriented generally parallel to the ground level, a line post positioned on the attack side and comprising a bottom end positioned in a concrete foundation and a frame, a line brace having a first brace end located with the frame and a second end secured in the concrete foundation such that the line brace and the concrete foundation form adjacent sides of a vertex on the protected side, and adjacent beam sections pivotally connected to each other at the frame and the first brace end.

Abstract: A vehicle barrier includes a beam extending longitudinally between opposing end posts, the beam positioned vertically above a ground level and separating an asset side from an attack side, the beam comprising beam sections and a crash post positioned in a same vertical plane as the beam, wherein beam sections are pivotally connected to the crash post.

Abstract: Disclosed is a guardrail including a post and a longitudinal beam, the post and longitudinal beam being linked via at least one fastener and mounting plate. The mounting plate in one embodiment includes a rigid body configured to mate with the at least one fastener; and at least one deformable region or regions about or alongside the body that, in the event of an impact on the guardrail, bends and/or breaks thereby releasing the body from the remainder of the mounting plate and in doing so allowing the post and longitudinal beam to separate. A guardrail post including at least one fastener and at least one mounting plate is also described along with a mounting plate for use in a guardrail assembly.

Abstract: 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.

Abstract: A highway sound barrier system that uses a plurality of foam panels that are joined with an upright member assembly. The foam panels use a foam core and exterior weather protection compounds allowing the system to dramatically reduce transportation, handling and installation costs while increasing the lifecycle of the barrier system and reducing long term maintenance requirements. Moreover, the foam panels include rotatable joints and cable reinforcement allowing the wall to be easily adjusted to facilitate various landscape parameters and provide for rapid construction.

Abstract: 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.

Abstract: A modular cover panel including two or more cover panels that cover a parapet or barrier along a roadway. Multiple cover segments may overlap one another to form the modular cover panel and each cover panel is individually hung or suspended by brackets affixed to the parapet. Each cover segment has one more surfaces intersecting with other to cover the parapet and a top surface that overhangs a top surface of the parapet. A cable may be disposed through a slot of a hanging bracket and a pin may secure the cable thereby providing a mechanical attachment to the assembly.

Abstract: A crash cushion includes a number of spaced-apart supports or bulkheads; energy-absorbing modules positioned between the supports; overlapping side panels that interconnect the supports; front and rear fixed anchors; and reinforcing cables extending between the anchors. The crash cushion also includes indexing structure that permits each hinge to be selectively mounted in several different positions with respect to its support; angle set structure that allows the hinges to pivot relative to the supports up to a defined pivot range.

Abstract: The present invention relates to a removable artificial reef and barrier system capable of mitigating detrimental wave and current energy and erosion problems, enhancing biological growth and marine aquaculture, increasing carbon sequestration, providing power generation, and enhancing favorable surf conditions for recreational use.

Abstract: 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.

Abstract: A mobile platform structured for mounting a soft target thereon is provided. The mobile platform includes a self-propelled drive unit configured to move along a ground surface responsive to a control signal. The mobile platform also includes a hardened mobile platform control module coupled to the drive unit so as to move with the drive unit. The mobile platform also includes a sacrificial body structured and coupled to the drive unit so as to move along the ground surface with the drive unit.

Abstract: 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.

Abstract: A safety barrier comprises a plurality of posts spaced from each other and disposed adjacent to a roadway, each post having a cross section defined in part by a web and a pair of legs extending therefrom. Additionally, each post has one slot formed in the web of the post extending from an upper end of the post. A first cable and a second cable are releasably engaged with and supported by the posts and disposed within each slot between the respective legs of each post. A third cable and a fourth cable are each coupled to an exterior surface of the posts. The posts and the first, second, third and fourth cables cooperate to prevent a vehicle from leaving the roadway.

Abstract: Disclosed is a crashworthy post, which allows a post body to slide rearward along with a vehicle at the early stage of a vehicle collision, and simultaneously a compressive deforming pipe is compressed to dissipate impact energy.

Abstract: Aspects of the present disclosure relate to an autonomous mobile attenuator system for mitigating vehicular collisions. The system includes one or more mobile attenuators that receive data indicating a need for deployment from one or more sensors. The one or more mobile attenuators perform a collision risk assessment on the received data to determine a probability of a potential vehicle collision. The one or more mobile attenuators determine the probability of the potential vehicle collision exceeds a predetermined risk threshold value. The one or more mobile attenuators determine a predicted location for the potential vehicle collision. The one or more mobile attenuators proceed to the predicted location to mitigate the potential vehicle collision.

Abstract: A bollard assembly includes a bottom plate with a forward edge and an aft edge, an elongated member mounted on the bottom plate and extending from a forward end to an aft end in a direction from the forward edge toward the aft edge, a bollard secured to the bottom plate with a bollard section of the elongated member disposed inside of the bollard, flat bars mounted on the bottom plate on opposite sides of the elongated member diverging away from the elongated member in a direction from the forward end of the elongated member toward the aft end of the elongated member, and a top plate having a smaller perimeter than the bottom plate mounted on the elongated member and the flat bars with the bollard extending above the top plate.

Abstract: A shaft can include a first portion comprising a first material having first material properties, a disconnect portion comprising at least some of a second material having second material properties, and a third portion comprising a third material having third material properties. The disconnect portion can be positioned between the first portion and the third portion, the three material properties being configured such that the first portion is physically disconnected from the third portion in response to failure of the disconnect portion under at least one of a mechanical load and/or an electrical load and/or thermal load.

Abstract: An invisible sound barrier includes a periodic array of spaced apart, columnar unit cells. Each unit cell includes a pair of joined, and inverted, columnar Helmholtz resonators, having neck portions that point in opposite directions. Each of the Helmholtz resonators can be formed of a sound absorbing material and coated with a light reflective material causing light to reflect around the resonators, thereby conferring invisibility. Each of the Helmholtz resonators can alternatively be formed of a light reflecting material, and positioned in between vertical mirrors, with a transparent material filling space between the resonators and the vertical mirrors.

Abstract: A safe driving assistance device includes a region setting section that sets a collision risk determination region used for determining presence or absence of a collision risk of a host vehicle, and a determination section that determines a collision risk between the host vehicle and another vehicle using a host vehicle collision risk determination region, another vehicle collision risk determination region, and environment data. The host vehicle collision risk determination region of the host vehicle is set based on travel data of the host vehicle, a vehicle specification of the host vehicle, and the environment data obtained by the host vehicle. The other vehicle collision risk determination region is obtained by a vehicle-to-vehicle communication device. The other vehicle collision risk determination region is the collision risk determination region of the other vehicle as a collision risk determination target with the host vehicle set by the other vehicle.

Abstract: 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.

Abstract: A temporary barrier system that is configured to be placed adjacent a concrete divider on a roadway wherein the temporary barrier system provides an increased vertical barrier so as to inhibit seeing therepast. The temporary barrier system includes a storage container having the body of the present invention stored in its first position therein. The body of the present invention is planar in manner and stored in a rolled position in the storage container. The body is wrapped around a winding apparatus and includes an end that is configured to be secured to a deployment vehicle. The deployment vehicle traverses away from the storage container to deploy the body to its second position. The body further includes a plurality of support members being configured to be perpendicular to the upper and lower edge. The storage container is configured as a towable trailer.

Abstract: A highway crash attenuation system having an improved breakaway guardrail post. An improved upper section of Post 1 has an anchor bearing plate with a cooperating stabilizing bolt engaging with the upstream face of the upper post section. The downstream side of the upper post section is provided with split, spaced-apart strut sections which do not obstruct the rear cable pass through notch.

Abstract: A modular dike or barrier system includes interconnectable side and corner members having front and rear walls with integrally formed support ribs. Upper, base and side end walls connect and are integral with the front and rear walls. Each of the front and rear walls extends at an acute angle relative to the base wall that is configured to rest against a substratum. The inward acute angle allows for containing and redirecting a surge flow inwardly within an area contained by the barrier system in a direction away from the members. The members are generally plate-like and are configured to allow for horizontal stacking on the substratum. Members can include a selectively collapsible support assembly configured to be retained at central bodies of the respective members and to limit interference during stacking and transport of the members.

Abstract: A spacer for a road safety barrier is provided. The spacer includes a rail support having a front face to be fastened to a rail, a rear face to be fastened to a post and a flange that connects the front face to the rear face. The front face includes a connector housing and a weaker area connecting the connector housing to the upper edge of the front face, the mechanical resistance of the weaker area being strictly lower than the intrinsic mechanical resistance of the constituent material of the remaining part of the front face of the rail support. The spacer also includes a rail guide including a fastening area for fastening the rail guide to a post above the rail support, a connecting piece and a rail reinforcement area for fastening the rail guide to the reverse side of the rail.

Abstract: An end treatment for a guardrail safety system includes a terminal portion of a guardrail beam comprising a downstream end and upstream end, a first tension cable coupled to an upstream end of the terminal portion. An extruder configured to receive at least a portion of the guardrail beam and at least a portion of the first tension cable, and a terminal support post installed adjacent the roadway at an upstream end of the terminal portion of the guardrail beam. The extruder includes a narrowing throat providing a channel in which at least a portion of the guardrail beam is disposed. The narrowing throat is configured to flatten the guardrail beam in response to a collision with a vehicle moving the extruder in a downstream direction along the guardrail beam. The terminal support post coupled to an upstream end of the first tension cable.

Abstract: 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.

Abstract: The invention provides a security barrier section (10) which has first (12) and second (14) barrier islands and cables (28, 30) there between. Each barrier island comprises a cast concrete block (16) having a front face and a rear face and a spring steel post (22) extending upwardly from a top face of the cast concrete block at a location between the front face and the rear face. An attachment means (26) is located on, or extending from, at least one of the front face and the rear face. At least one first cable (28) extends between the spring steel posts (22) of said the first (12) and second (14) barrier islands and is attached thereto by cable attachments. At least one second cable (30) extends between the attachment means (26) of said first (12) and second (14) barrier islands and is also attached thereto by cable attachments. The cable attachments are configured to allow said cable to slip in said cable attachment under loading.

Abstract: A stackable, portable, traffic barrier having a molded elongated body with a generally extruded triangular shape having a longitudinal axis; a separable base; a top; a first pair of opposing sides disposed between the top and the base; a second pair of arcuate opposing sides disposed between the top and the base; a plurality of vertically disposed fillable cavities disposed through the top of the body; and a plurality of caps, where each of the caps has a cross sectional shape suitable for functionally engaging a corresponding cavity.

Abstract: A longitudinal beam barrier system comprises a longitudinal beam and a post linked together via a fastener incorporating at least one deformable washer. The link is made in a releasable and tunable manner dependent on an applied force via the at least one deformable washer. Release may be made dependent on both the magnitude and direction of the force so that release may be a result of different release forces in different force angles. The deformable washer may be designed to transfer a longitudinal beam load force from a fastener to a post wall, the washer extending around the fastener and having a first face that bears on the fastener or a part thereof (or forms part of the fastener) and an opposing face that at least partly bears on a part of the post wall or walls. The washer is designed so that, in the event of an impact of sufficient force on the longitudinal beam, post, or fastener, the washer at least partly deforms allowing separation to occur between the post or posts and the longitudinal beam.

Abstract: A modular anti-vehicle barrier comprising a plurality of anti-vehicle devices provided with respective tubular support elements, which are spaced apart from one another and have respective vertical reference axes, respective regular polygonal shaped bases, which are designed to support said tubular support elements and are mutually arranged in abutment against the relative sides, fastening means designed to mutually connect the bases in order to form a single body, which constitutes a base of the anti-vehicle barrier; friction means, which are interposed between the bases and the upper bearing surface of the ground and are structured for countering by friction the movement of the anti-vehicle barrier caused by an impact of a vehicle against the same, a plurality of ballasts, which are designed to be coupled, in an easily removable manner, to the tubular support elements for adjusting the weight and/or the height of the modular anti-vehicle barrier.

Abstract: Surrogates for roadside objects, such as metal guardrails, can be used for vehicle testing. A surrogate for a metal guardrail can have substantially the same size and/or shape as the metal guardrail that the surrogate is mimicking. The surrogate can be configured to exhibit substantially the same characteristics as their actual counterpart metal guardrail when sensed by one or more vehicle sensors (e.g., cameras, radar sensors, and/or LIDAR sensors). Such surrogates can be used to test autonomous vehicles, one or more vehicle sensors, a vehicle sensor system, and/or one or more vehicle system (e.g., a road departure mitigation system). The surrogates can be configured to withstand being crashed into by a test vehicle without being damaged and without damaging the test vehicle.

Abstract: Molded plastic barrier segments, typically water or sand-ballasted, are engineered to be attached together, end-to-end, in a barrier array, with innovative features which result in low rotation between attached barrier segments. Such a low rotation barrier array will, upon impact by a vehicle, act as a re-directive barrier, rather than a capturing barrier, which is an important safety feature in some crash scenarios.

Abstract: Disclosed is a shock absorber for buffering the barrier wall of a road. According to the present invention, a horizontal inner pipe bumper is inserted into a pedestal attached to a boundary of a barrier wall and joined to the support pillar. The buffer rail transversely connected to the protruding portion of the buffer pad on the front surface of the pedestal constitutes the buffer portion of the collision portion barrier wall, and when the buffer pad adhered to the inner pipe bumper is displaced upright, tension of the elastic rail connecting the buffer pad and the elastic rail block is generated, and the guard rail of the pillar is coupled to the barrier bridging body by a connecting member.

Abstract: Assembly for energy absorption, comprising m number of substantially straight steel wires and n number of curved steel cords, at least one of the m number of substantially straight steel wires having a tensile strength of at least 1000 MPa and an elongation at fracture of at least 5%, at least one of the n number of curved steel cords having a tensile strength of at least 2000 MPa and an elongation at fracture of at least 2%, wherein m and n are integers m>1, n>1, and at least one of the m number of substantially straight steel wires and at least one of the n number of curved steel cords are fixed together along their longitudinal direction, and the elongation at fracture of at least one of the m number of substantially straight steel wires is at least 2% larger than the elongation at fracture of at least one of the n number of curved steel cords such that the elongation curve of the assembly comprises three zones (11, 11?, 12, 12?, 13, 13?), wherein a first zone (11,11?) is characterized by an elastic

Abstract: The present invention provides a spacer for a road safety barrier. The spacer includes a post and a rail connected to the post via an intermediary of the spacer and a connector. The spacer includes a rail support having a front face intended to be fastened to a rail, a rear face intended to be fastened to a post and a flange that connects the front face to the rear face. The front face includes a notch emerging on the upper edge of the front face, the notch includes a connector housing, located in the lower portion of the notch and two convergent lateral edges connecting the connector housing to the upper edge of the front face. The present invention also provides a safety barrier including a spacer and a fabrication kit for a safety barrier.

Abstract: Disclosed is a shock-absorbing barrier. According to the present invention, the shock-absorbing barrier is configured wherein guardrails onto which shock-absorbing members like waste tires or waste rubber are mounted are attached to barrier walls and pillar bodies made by attaching pillar tubes to pillars are connectedly erected by means of the barrier walls on which the guardrails are mounted, so that if an external collision occurs, rotary rods are changed to a shape of a cone around the axis of the pillar tube rail to extend a shock-absorbing section, and the external collision is distributed by the compression and tension of both side rails to decrease the deviation displacement of the barrier wall boundary and to allow the pressure of the collision portion to be distributedly absorbed to the parts connected by the guardrails.

Abstract: Surrogates for roadside objects, such as concrete dividers, can be used for vehicle testing. A surrogate for a concrete divider can have substantially the same size and/or shape as the concrete divider that the surrogate is mimicking. The surrogate can be configured to exhibit substantially the same characteristics as their actual counterpart concrete divider when sensed by one or more vehicle sensors (e.g., cameras, radar sensors, and/or LIDAR sensors). Such surrogates can be used to test autonomous vehicles, one or more vehicle sensors, a vehicle sensor system, and/or one or more vehicle system (e.g., a road departure mitigation system). The surrogates can be configured to withstand being crashed into by a test vehicle without being damaged and without damaging the test vehicle.

Abstract: A crash barrier system includes upper posts, box beams, upper tube profiles and barrier rails. The box beams are connected to the upper posts on a front side of the crash barrier system. The upper tube profiles are connected to the box beams. The barrier rails are fastened to the upper tube profiles. The upper posts are arranged axially parallel to one another at a uniform axial post spacing along the box beams. The upper tube profiles are arranged axially parallel to one another at a uniform axial tube spacing along the box beams. The post spacing differs from the tube spacing.

Abstract: A modular barrier system enables demountable outdoor rinks—typically for ice hockey, or ice skating, or street hockey. A rink includes multiple panels, each having a factory-attached link. These panels are linearly disposed, adjacent to one another, to form a piecewise continuous boundary wall enclosing a desired area. Attaching one link to the next, typically via insertion of a thumbscrew, connects the panels into a robust assembly. Both straight and curved panels are provided, thereby enabling a rink with round corners. Each panel includes a shell molded from plastic resin, and has a hollow interior which can be filled with water (or other ballast).

Abstract: A post assembly (10,10.0, 10.00, 10.000, 10.0000, 110, 210, 310) for a parking lot barrier system (11), the post (12) of the post assembly (10,10.0, 10.00, 10.000, 10.0000, 110, 210, 310) being of any appropriate section and having at least one aperture (30, 32) at or near to the base (12.1) of the post (12). The at least one aperture (30, 32) is sized and shaped so as to allow the post (12) to deform elastically under collision loads at low speeds sign posted in parking lots.

Abstract: An energy absorbing member (20) is formed of an aluminum alloy extruded material having a substantially quadrangular outer shape. Straight portions of a pair of long sides of a quadrangular shape are each segmented into three side walls (21a, 21b, 21c) by two arcuate internal projections (26) that project inward. Vertices of opposing internal projections (26) are joined by a rib (25). Accordingly, the energy absorbing member (20) is configured to have a shape in which three cylindrical portions having hollow portions (24a, 24b, 24c) are joined. Arc-shaped internal projections (23) that each project inward are provided in four corners of the quadrangular shape.

Abstract: A guardrail vehicle crash absorbing assembly including a braking structure at a panel joint including a tooth having a cutting portion for making a horizontal cut in a rail panel slidably moving relative to another rail panel.

Abstract: A multiple direction railroad gate release mechanism which is attached between the mount arms of a railroad gate actuator and a crossing arm to prevent breakage of the crossing arm due to impingement in either a frontal or rearward direction by a vehicle or other outside force. A pivot arm assembly allows a released movement of the crossing arm in reaction to frontal impingement and returns the crossing arm to the original and detent position subsequent to an impingement in order to maintain grade crossing protection. A spring return assembly, a shock absorber, and a detent plunger act to return the pivot arm assembly and attached crossing arm to a neutral detent position. The pivot arm assembly allows for rotation about a single pivot point of at least ±/?90 degrees relative to the longitudinal axis of the attached crossing arm.

Abstract: A K rail end cap is fixed to ends of the K rails to repair chipped K rails or protect the ends of undamaged K rails. The caps are preferably a plastic material or the like, are between 0.093 inches and 0.125 inches thick, and about 9 inches deep. The caps slip over the top, sides, and bottom of the K rail ends, and may be glued in place. An opening in the face of the caps exposes metal loops at each end of the K rails to allow connection of consecutive K rails after the caps are attached.

Abstract: A guardrail crash absorbing assembly including overlapping elongated upstream and downstream rail panels, an impact head for sliding an upstream rail panel relative to a downstream panel when impacted by a vehicle, and a cutting tooth with a cutting tooth portion having a cutting surface and a hook structure for cutting and splitting the downstream rail panel upon vehicle impact on the impact head.

Abstract: A fence extension system for selectively increasing a height of a fence includes a fence that has a plurality of sections. A plurality of screen units is provided. Each of the screen units is removably coupled to an associated one of the sections. Each of the screen units extends upwardly from the associated section. Thus, each of the screen units enhances privacy of the fence.

Abstract: An exemplary modular vehicle barrier includes a rigid, generally L-shaped frame having a base and an upright portion. The base including two or more joists spaced apart and extending orthogonal to a foot plate, wherein the foot plate is attached to a bottom surface at a front end of the two or more joists, the upright portion configured in a ladder arrangement having spaced apart vertical posts secured at bottom ends to a bottom beam and at top ends to a top beam, wherein the bottom beam is attached to a top surface at a back end of the two or more joists, and a wedge point formed the bottom surface of the second end of the two or more joists.

Abstract: An end terminal for a guardrail system includes an elongated guardrail beam and a flattening or reshaping device defining a channel having an inlet and an outlet vertically aligned along a longitudinal axis. The guardrail beam is moveable along the longitudinal axis through the channel from the inlet to the outlet. An anchor is vertically spaced below the outlet, with a tether coupled between the anchor and an end portion of the guardrail beam. The tether is adapted to pull the guardrail beam downwardly from a first height at the outlet to a second height vertically spaced from the first height free of any engagement with any other structure once the guardrail beam exits the outlet, and with a bending of the deformed guardrail beam in only one direction after the deformed guardrail beam leaves the outlet. Methods of assembly and operation are also provided.