Abstract: A marker for attachment to a permeable paver that includes a structure having a plurality of honeycombed, hexagon-shaped cells with upstanding sidewalls, the sidewall of each cell having an upper surface and a lower surface, an inner surface and an outer surface, and a thickness, the marker comprising a generally planar cap having a substantially hexagonal perimeter that is dimensioned to span across a hexagon-shaped cell of the paver such that the perimeter of the cap substantially matches the outer surface of the sidewalls of the cell.

Abstract: A nautical navigation aid comprising a photoluminescent element and a light wave re-directing means for improved photoluminescent qualities used to enhance the safety of nautical travelers on waterways in conditions where visibility is limited. The navigation aid sign has a first rigid sheet member having an upper surface, a lower surface and a peripheral edge, a second rigid sheet member having an upper surface and a lower surface extending outward from the peripheral edge of the first rigid sheet member at a predetermined angle to a predetermined length, thereby defining an angled collar of the first rigid sheet member sized and configured to redirect light waves emanating from a light source, and a luminescent layer. It is envisioned that an embodiment of the present invention might also include a means for retrofitting existing nautical navigation aids with a photoluminescent element and a light wave re-directing means for improved photoluminescent qualities.

Abstract: An impact recovery assembly generally includes an object, an impact recovery device, and an adaptor for attaching the object to the impact recovery device. The adaptor includes a body having a first attachment portion configured for interfacing with the impact recovery assembly and a second attachment portion configured for interfacing with an object, wherein the first attachment portion is different at least in part from the second attachment portion.

Abstract: A base unit for a road stud is provided. In one embodiment, the base unit is made of plastic and has a recess with a plurality of projections. The projections extend over the floor of the recess for retaining a resilient insert within the recess. The base unit comprises a first portion representing the body of the base unit, and one or more additional portions fitted to said first portion, for example by adhesive bonding. Each of said projections may be formed from one or more planar elements. The base unit further has a front portion, a back portion, and opposing side walls, wherein the recess is located between the front and back portion and the opposing side walls. The underside of the front and back portions is provided with ribbing for transverse strengthening. A cavity is formed in the underside of each of the opposing side walls. A colorant may be added to the plastic of the base unit in order to color the base unit, for example to match the color of reflectors provided in the insert.

Abstract: A pedestrian traffic control stanchion including a post having an upper end and a lower end; a belt cassette assembly mounted on an upper end of the post; a spring case assembly positioned adjacent to and operatively connected to the belt cassette assembly to provide tension on a belt as the belt is extracted from the belt cassette assembly; a brake case assembly positioned adjacent to the belt cassette assembly and operatively connected to the belt cassette assembly to dampen the rate of rotation of the belt cassette assembly as the belt is retracted into the belt cassette assembly under the tension force exerted by the spring case assembly; the brake case assembly including a housing, a drive gear positioned within the housing, said drive gear being configured to be connected to the belt cassette assembly, a floating gear positioned within the housing in a position to engage the drive gear, the floating gear having an axial shaft extending therefrom, wherein the axial shaft of the floating gear is positione

Abstract: A pavement road marker is provided mounted to a road having a main shell or body having a top portion. The top portion of the body being generally planar and including a lens mounted thereon. The lens is mounted within the body so that the plane created by the lens is beneath the plane created by the planar surface of the body portion. The assembly further includes an inner cavity having a first surface and a first opening. The first opening is oppositely disposed from the top portion. The first surface of the inner cavity includes various structural elements such as protrusions, legs, or dimples. The protrusions, legs, and dimples increase surface area to improve adhesion of potting to the inner surface of the housing to fill the cavity of the housing. The legs having a lateral surface which extend on a plane normal to an outer surface of the body.

Abstract: A smart groove seal integrating a communication system within a groove seal used to seal expansion joints and grooves formed in pathways or roadways. One embodiment of the smart groove seal embeds one or more illumination sources that emits visible and/or infrared light into a clear elastomeric expansion joint seal. The communication system includes an expansion joint seal having a selectable array on one or more light sources (such as LEDs and/or OLEDs) positioned within the expansion joint seal, a power supply, and a controller. The smart groove seal enhances the lighting of lanes on vehicular and pedestrian roadways and/or provides vehicular or roadway information to vehicular operators.

Abstract: A traffic control assembly for marking roadways or other marking areas is shown generally having a base, a stake, a pin, a collar, and a flexible marker that extends substantially vertically from the base when in a non-impacted and non-deformed state. The pin passes through pin holes in the stake, collar, and marker when the traffic assembly is installed. The traffic control assembly has fewer parts and is thus easier to install and replace. The pin is in contact with the base to provide support to the stake and prevent it from listing when the assembly is struck by a vehicle.

Abstract: The invention relates to road markers for pedestrian crossings and roadways. A plurality of frame structures consisting of rods are connected by cross members, said frame structures being close to each other lengthwise and crosswise in order to obtain manufactured-items made up of a plurality of solid color porcelainized stoneware blocks, said blocks being further slidable inside the above mentioned frame structures employing said rods as guide members.

Abstract: An outdoor lighting fixture that is capable of being mounted flush with a mounting surface is provided. In one embodiment, the outdoor lighting fixture contains a housing having an upper and lower portion. A light source is in operable communication with the housing and can provide light in a direction that is substantially parallel to the mounting surface. It has been discovered that the outdoor lighting fixture of the present invention can be mounted substantially flush with a mounting surface so that it remains relatively hidden from view during use. Furthermore, the outdoor lighting fixture can also provide light in a linear direction, thereby enabling it to illuminate paths, sidewalks, driveways and the like, without having to provide light in all directions.

Abstract: A side guard for a roadway marker comprising an elongate rail member having a top and a bottom. A rooting pin extending from the bottom of the rail member. The rooting pin having a laterally open recess.

Abstract: A solar energy lane marking system for a road surface having at least a traffic lane includes a set of lane markers, and a solar energy collection arrangement. The lane markers are for spacedly providing on the road surface to define the traffic lane, wherein each of the lane markers includes an illuminator for lane illumination. The solar energy collection arrangement is for controlling the set of lane markers in centralized manner to ensure sufficient and consistent illumination of the illuminators, and includes a solar energy collector for collecting solar energy, an energy storage, and a central processing circuitry. The central processing circuitry, which is electrically connecting the energy storage with the illuminators of the lane markers, operatively controls the illuminators of the lane markers as an illuminable road divider for identifying the traffic lane in case of low visibility of the traffic lane.

Abstract: A protruding road warning device includes a base plate, at least one mounting spike, a cushioned pad and at least one reflector. The base plate has a bottom surface, a top surface and a breakable segment. The bottom surface has multiple fastening recesses, at least one groove and at least one connecting surface. The at least one groove is defined in the bottom surface. The at least one connecting surface corresponds to and is formed respectively inside the at least one groove. The at least one break segment is formed respectively between the at least one groove and the top surface. The at least one mounting spike is connected respectively to the at least one connecting surface on the bottom surface. The cushioned pad is mounted on the top surface of the base plate. The at least one reflector is mounted on the cushioned pad.

Abstract: Provided herein is a road stud used to recognize the central line or lanes of a road. The road stud is configured in the form of a screw to be securely fixed to and buried in a road. The road stud includes a self generator to light up an illuminating element all the time irrespective of the existence and absence of sunshine or illumination, humidity and temperature sensors for sensing the condition of the road to emit different color lights in response to various conditions of the road, and a communication unit for transmitting/receiving information about the condition of the road to/from cars. The road stud has strong shock-resistance and smoothly emit light irrespective of existence or absence of external power supply or the quantity of sunshine.

Abstract: A landmark used to effectively determine the location of an autonomous vehicle, and a self-localization apparatus and method using the landmark are provided. In the self-localization method, first, first and second outer line information and shape information are extracted from a landmark image received from a camera. Next, a projective invariant is calculated from the shape information and stored in a hash table. Thereafter, the calculated projective invariant is compared with reference projective invariants for a plurality of landmarks stored in a predetermined data storage area in the form of a hash table, thereby determining which landmark corresponds to the landmark image. Then, information on the distance and orientation of the determined landmark with respect to the autonomous vehicle is analyzed in response to the first and second outer line information.

Abstract: The invention relates to a pavement marking composition comprising ceramic fibers. The ceramic fibers are preferably randomly dispersed within a polymeric material. The polymeric material preferably comprises a substantially non-crosslinked elastomer. The pavement marking composition is preferably formed into a sheet material such as a tape.

Abstract: A signage system for a traffic area, the traffic area comprising visually-identifiable boundary markers, the signage system having sign means at the boundary markers, the sign means visually viewable by an occupant of a vehicle adjacent the boundary markers. The signage system further having interaction apparatus at the parking lot for providing communication between a vehicle occupant and an entity remote from the traffic area. The signage system wherein the sign means has at least one electronic display apparatus for presenting information to a person at the traffic area.

Abstract: A pavement marker has a base having at least one opening formed therein. A groove is formed in the base substantially adjacent the opening. The pavement marker further includes a cover for covering the opening in the base. The cover is formed with at least one energy directing rib configured for nesting with the groove in the base. The cover is ultrasonically welded to the base so that the energy directing rib melts and integrally fuses to portions of the base adjacent the groove.

Abstract: A reflective surface marker comprising a pair of generally parallel lower legs, each leg having a first end; a pair of generally parallel upper legs, each leg having a first end; a flexible hinge resiliently connecting the first end of said lower leg to the first end of said upper leg; a reflective material connecting said upper legs; and a bladder for resiliently supporting the reflective material.

Abstract: A road marking device comprises: a tubular, bottomed casing which has an open top end; a cover mounted over an opening in the casing and having a window; a self-luminous marking system composed of a condenser housed in the casing, an illuminant which emits light by receiving a power supplied from the condenser, and a circuit for driving the illuminant; and a transparent element which transmits and outwardly radiates the light emitted from the illuminant. The transparent element is fixed between the cover and the casing which cooperatively hold a periphery of the transparent element, with a part of the transparent element protruding outwardly from the window in the cover. In a self-luminous marking system, an LED is utilized without application of voltage so as to detect the quantity of light in the road environment and to generate an electromotive force in response to an incident light. Based on the electromotive force generated by this LED, the drive of a display LED is controlled.

Abstract: A reflective pavement marker includes a shell having a top wall, a side wall extending from an end of the top wall, and reflective end walls extending from an other end of said top wall, wherein the shell forms an interior cavity. The shell is formed from a polyacrylate or a polycarbonate having a tensile strength of more than 9,000 psi and a ratio between tensile strength and flexural modulus of between 0.021-0.050:1. The reflective pavement marker also includes a reflective portion integral with the reflective end wall, a reflective coating covering the reflective portion and a bonding coating covering at least the reflective portion. The reflective pavement marker further includes a filler material within the interior cavity of the shell.

Abstract: A pavement marking system is disclosed comprising a legend layer and a background layer of a contrasting color, preferably black. The background layer has edges that extend beyond the edges of the legend layer such that the background layer prevents contact of the legend layer by coating materials during surface treatments of the surrounding pavement surface.

Abstract: A method of forming a road marker and the resulting road marker including a metallic base and a light transmitter, includes coating the metallic base with an oxidation inhibiting layer; and mounting the light transmitter on the base. The coating may be performed before the mounting. The coating may be a plating.

Abstract: A pavement marker having improved daytime visibility comprises a transparent fluorescent top portion having smooth flat parallel top and bottom surfaces with a front edge therebetween and air interfacing most of the bottom surface. Light received by the smooth flat top surface of the top portion is directed internally through the top portion and emitted from the front edge, to provide a visible signal to drivers of oncoming vehicles.

Abstract: A pavement marker having improved daytime visibility comprises a transparent fluorescent top portion having a top surface and a front edge. Light received by the top surface of the top portion results in light being directed internally through the top portion and emitted from the front edge, thereby providing a daytime signal to drivers of oncoming vehicles. In an alternative embodiment, the top portion can comprise a polymer having in its backbone moieties that either absorb U.V. light or that are capable of undergoing rearrangement to moieties that absorb U.V. light, to provide greater fluorescent durability. The polymer can be present either within the fluorescent top portion or as a U.V. light screening layer on top of the top portion.

Abstract: A reflective pavement marker can be fabricated utilizing a typically used housing (shell) reinforced by agglutination of a one-piece, monolithically formed, hollowed structural body. The hollowed structural body is having a sealed, textured base surface and an upper, two sides and two face surfaces defined by load carrying partition walls forming multiple hollow cavities. This type of hollowed structural body can effectively replace various structural fill systems or any other multi elements structural body used in fabricating a reflective pavement marker. The hollowed structural body is generally welded or agglutinated directly to the interior of a housing (shell), and to portion of the apexes of the cube corner reflective elements within said reflective faces of a housing. This type of hollow structural body can be formed to fit any single piece housing fabricated with integrally molded retro-reflective faces.

Abstract: According to the invention, blocks (10) are formed of rigid colored material shaped as mosaic components of the road sign; the sign is then composed by arranging the blocks (10) as a mosaic, and incorporatedly inserting the blocks (10) into the upper layer (40) of the wearing course, in such a manner that the upper surface of the mosaic road sign is substantially coplanar with the road surface.

Abstract: A roadway pavement marker includes a base that supports a flexible membrane. The membrane supports an anchor plate, and the anchor plate in turn supports a reflector housing. The reflector housing is releasably secured to the anchor plate by one or more mechanical fasteners accessible from a side of the membrane opposite the base.

Abstract: A very low-profile snowplowable pavement marker mounted in an elongated groove formed in a highway pavement, the groove extending longitudinally of the highway and exposing the reflective highway marker to the headlights of oncoming motor vehicles when their approach distance from the reflective highway marker is adequate for highway guidance purposes. The reflective highway marker is a metal casting with a reflector mounted in a pocket formed in the casting. The casting is adhesively installed in a deepened section of the groove. The protective rails of the casting are situated slightly above the pavement surface, but are significantly lower than rails of prior art snowplowable castings. The leading edge of the reflector support is below pavement level and allows light from oncoming headlights to enter the reflector without the shadowing effect prevalent in conventional low-profile marker castings.

Abstract: Traffic element with illumination, at least comprising an element body having a transparent plastic component which comprises illumination means encapsulated by the plastic of the component, which transparent plastic component is fabricated by casting a preferably resilient multicomponent plastic in a closed mould. Examples of traffic elements are kerbs, traffic island elements, roundabout elements, a road surface etc. Traffic elements according to the invention are experienced as light-emitting elements.

Abstract: The present disclosure relates to improved raised pavement markers having a totally-internal-reflective lens. The disclosure also relates to methods of manufacturing the raised pavement marker. The raised pavement markers described below include a housing connected to a totally-internal-reflective lens. The totally-internal-reflective lens includes a retroreflective element having a smooth surface generally opposite a plurality of cube corner elements. A film is attached to the retroreflective element at the apexes of the cube corner elements to form spaces, i.e., an air gap, between the film and the cubes. The film and retroreflective element cooperate to form the totally-internal-reflective lens. Light entering the retroreflective element through the smooth surface is retroreflected at the cube/air interface. Methods of manufacturing include, for example, forming a shell with the retroreflective element and attaching the film to the apexes of the cube corner elements.

Abstract: A roadway marker device for marking a roadway with marker embedded in the roadway. The roadway marker device includes an elongate member having a first end and a second end. The elongate member has a top wall and a bottom wall. A reflective strip enhances night time visibility of the elongate member. The reflective strip has a first side and a second side. The first side of the strip is adapted to reflect light. The second side of the strip has adhesive thereon. The second side of the strip is adhesively coupled to a surface of the top wall of the elongate member. The elongate members are placed in the roadway such that the top wall of the elongate member is generally flush with the roadway.

Abstract: A utility standard assembly having a tubular post member which is circumscribed and compressively held at its base end by a clamp member. The clamp member and tubular member assembly are the received into a clamp receiving pocket in a modular, structural base member which supports the assembly without welding. Wiring opening are located on the bottom of the base member and in the clamp receiving pocket so that the utility wiring may pass from the mounting surface directly into the tubular member. Further, the clamp receiving pocket is supported on legs which create an integral wiring access opening for installation and maintenance. A decorative, wrap-around base cover may be utilized to provide the desired aesthetic effects for the utility standard assembly.

Abstract: A road marker having a collar for mounting a reflector to the surface of the road. The collar is a generally flat disk, having a pair of diametrically opposed projections. The projections have inner planar surfaces to receive a reflector therebetween and curved outer surfaces to facilitate the passage of tires over the marker. The projections have a width and height greater than that of the reflector to protect the ends of the reflector from abrasion. A recess is provided for mounting the reflector to the collar. A plurality of shallow apertures are formed on the bottom surface for receiving a mounting compound for adhering the collar to the road surface.

Abstract: A pavement marker comprising a base member and a signal device for sending a light signal to a driver of an oncoming vehicle further includes a longitudinally extending tire directing hood member that directs tire contact away from the upper edge, upper portion, and upper generally corner portions of the signal device front face, while allowing tire contact with the lower portion of the signal device front face. The signal device front face is at a predetermined recess depth in said pavement marker, and is at a predetermined angle with respect to the roadway surface. The marker can be either a snowplowable marker or a sun country marker. The signal device optionally can be mounted on a base member by a mechanical interlock. Optional drainage channels can be provided in the base member to allow drainage of fluid from in front of the lower portion of the signal device.

Abstract: A raised pavement marker includes a reflector assembly that is resiliently supported by a membrane, that in turn is supported by a frame. The reflector assembly includes a skirt that overlaps the membrane, thereby allowing large-area reflectors and low-angle ramp surfaces. A vent is formed between the skirt and the membrane, and this vent is resistant to clogging. Locating elements are placed on the frame of the pavement marker to assist in proper installation of the marker in a recess of a roadway, such that all portions of the frame are positioned below the surface of the roadway. Indentations allow the installer to gauge the level of adhesive in the recess.

Abstract: A raised road marker has a flat bottom surface with an outer periphery. At least one cavity opens onto the bottom surface laterally inwardly of the periphery and extends upwardly into the marker body. A venting groove extends along the bottom surface from the cavity to the periphery to provide a vent for air trapped in the cavity when the marker is urged into a pool of adhesive to secure the marker to a roadway. The venting of air provides a stronger bond between the marker and adhesive. For markers having a rounded top surface, there is preferably an indexing projection on the top surface and a complementary recess on the bottom surface. This enables interlocking of a plurality of markers in a vertical stack to prevent tilting of the markers.

Abstract: An impact recovery delineation quick connect/disconnect adapter system having plate studs and a pin that when added to the impact recovery delineation system allows the delineation panel, support post and load cell to be quickly connected to and/or disconnected from the supporting base (fixed or portable) with speed and without the use of any tools. The adapter plate which is connected to the load cell provides for radially aligned slots in a recessed platform to allow the plate to engage and lock with studs that are connected to the supporting base when the load cell is rotated about its vertical axis. The studs are particularly geometrically configured and have shoulder that is larger than the barrel and a head that is larger than the shoulder which results in a mechanical locking between the plate slots and the studs upon rotation of the plate with respect to the stationary studs.

Abstract: A roadway safety warning system and method of making same utilizing various ones of marking assemblies applied to a roadway surface to provide a warning system. The marking assemblies means includes 1) chevron marking assembly; 2) diagonal marking assembly; 3) perpendicular marking assembly; and 4) chevron and perpendicular marking assembly. The various marking means can have various embodiments thereof with 1) the chevron marking assembly being of a V-shape; 2) the diagonal marking assembly extended at an angle to a direction of travel; 3) the perpendicular marking assembly extended perpendicular to the direction of travel; and 4) the chevron and perpendicular marking assembly being a portion of both of a combination of the chevron marking assembly and the perpendicular marking assembly.

Abstract: A golf course indicator for providing information to golfers to help in club selection and understanding course layout. The indicator includes a generally planar upper surface which includes indicia for providing information to a golfer and a post mount for releasably attaching a post to the upper surface. The releasable attachment allows a post to be nondestructively removed from the post mount. A skirt is formed below the upper surface which ends at a bottom face and forms a hollow body. The upper face has a first area and the bottom face has a second area, the second area being greater than the first area to facilitate securing the device into the ground. The device is sized and shaped to fit into a hole in the ground. In a further embodiment the invention includes a post for mounting in the post mount, the post including a lower section sized and shaped to permit the post to be knocked out of the post mount without damaging either the post or the post mount.

Abstract: An improved, unitary signal assembly operable to replace removeable signal assemblies of sub-surface mounted roadway markers or alternatively capable of being mounted directly to pavement surfaces comprising a load carrying, rigid, compression resistant, metal center bar for transmitting vertical loads directly to a rigid base mounted in a sub-surface depression formed in a paved roadway or directly to the roadway surface when mounted independently of such a base; the center bar being integrated with a support base carrying at least one light emitting signal device formed separate or integrally with angularly disposed sides of the base; the center bar including a laterally extending canopy at its upper end operable for protectively overhanging the upper end of a signal device to insulate the same from impact loads.

Abstract: A ground marker is provided for displaying distance and advertising information on a golf course. The marker has a body that is dimensioned to fit entirely within a predetermined size hole defined in the ground. The body has a top portion and a base that are generally cylindrical and coaxial. The top portion has a transparent top face that is positioned generally flush with the ground surface, and a protruding lip that is dimensioned to bear against the side of the hole. The top face is formed from a clear plastic filler positioned over a card containing markings. The filler has a hardness comparable to the hardness of a grassy fairway. The lip of the marker has a bottom surface that abuts with a tool for permitting easy removal of the marker from the hole. A method of marking distances on a golf course is provided by arranging a plurality of markers at spaced intervals along concentric radii measured from the golf green.

Abstract: A safety delineator is provided having either a conical or a tubular body portion, which has an improved handle feature permitting easy and comfortable full hand gripping of the delineator. The invention additionally solves a longstanding problem common to prior art support bases for delineators and the like, by providing a convenient handle, molded integrally with the support base element, for picking up the base. The inventive handle not only provides a convenient means for grabbing the delineator, but it also provides an additional advantage with respect to conical delineators, in that it prevents them from sticking together when they are stacked. Two types of inventive support bases are disclosed. One is a base molded from a heavy solid material, such as rubber, and includes additional advantageous features such as anti-skid grippers on the bottom surface of the base element and stacking rings molded onto the upper surface of the base element for assisting in compactly stacking a plurality of bases.

Abstract: A pyrotechnic patty for rapidly attaching a raised pavement marker to a paved roadway surface is disclosed. The pyrotechnic patty consists of a stable mixture of oxidizer and fuel formed into a fattened shape that, once ignited, deflagrates rapidly producing a large amount of heat. The heat melts an adhesive pad that, after cooling and solidifying, permanently attaches the pavement marker to the paved surface. Preferably, the adhesive pad is formed of bitumen and the pyrotechnic patty is formed of a composition, in predetermined proportions, of potassium nitrate, aluminum nitrate, shredded newspaper, aluminum, and sulfur. The pyrotechnic patty is controllably ignited by passing an ignition current through a nichrome wire. The pyrotechnic patty is particularly suitable for use in an automatic marker attachment system.

Abstract: A configurable highway divider system features a plurality of markers associated with a lane of traffic, each marker including one or more indicators observable by a vehicle operator traveling on the lane associated with the markers, and a indicator changing device that can be mounted to a vehicle, enabling the vehicle to visit and interact with the markers and change the indicators for the purpose of redirecting traffic flow. In a preferred embodiment, the indicators use reflective color surfaces, and an externally-engageable member which is mechanically linked to each indicator. In an alternative embodiment, the visual attribute displayed by the markers do not change, but, instead, an alternative indicator changing device is used to turn each marker about a substantially vertical axis either with a rotatable drum/disk combination or with a magnetic actuator. Further alternative embodiments incorporate the use of acoustic, optical and thermal interactions between the marker and the changing device.

Abstract: A pavement marker structure and method for making same is provided wherein a pre-molded base block is clad with an in situ molded cap structure. Use of epoxy resins is avoided, and the pavement marker structure is durable and resists attack by moisture.

Abstract: A pavement marker structure and method for making same is provided wherein a pre-molded base block is clad with an in situ molded cap structure. One or two retro-reflective flattened reflectors are preferably mounted as insets between the base block and the cap structure. Use of epoxy resins is avoided, the pavement marker structure is durable and resists attack by moisture.

Abstract: A traffic control marker includes an elongate flexible arrow member arranged for positioning upon a road surface to direct traffic flow therethrough. The marker provides for a removable forward head relative to the marker for use of the arrow head relative to the marker. A modification of the invention includes suction cup members molded into the bottom wall of the marker body and arrow head, as well as reflector housings mounting reflective lenses projecting rearwardly of the marker head, with a further organization to include the reflector housing positioned medially of speed-bump type boss members that in conjunction with the reflector housing are orthogonally oriented relative to the side walls of the body as a one-piece assembly.

Abstract: An impact resistant marker for highway marking has facilities that cause it to deflect if struck by a vehicle. The marker has a base and a post. The post connects to the base by means of a flexible element. The post has a longitudinal hole through it. A stiffener core locates in this hole and extends part of the distance of the hole. The lower end of the stiffener core is spaced above the upper end of the mandrel by a clearance. If struck, the stiffener core causes the post to deflect at the elastomeric element.

Abstract: The invention is directed to a light weight, fluid charged, stackable, and easily placeable traffic barrier. The barrier includes a lightweight frame, made up of a skin or other lightweight framing elements. The barrier includes an interior bladder chamber for charging with a weighting fluid.