Abstract: A detectable warning system, for tactilely signaling the presence of a terrain transition to a pedestrian, using a plurality of detectable warning domes that are arranged in a grid within a warning dome tiles. The warning dome tiles comprises heat resistant detectable warning domes and connecting surface. A base layer sheet of thermoplastic is applied and adhered to the pavement surface prior to the application of the detectable warning tiles. A top layer of thermoplastic is applied and adhered to, and conformed to the warning domes. The detectable warning domes protrude from the pavement surface in an evenly spaced pattern that is detectable by the pedestrian using a cane or other guidance instrument.

Abstract: A method of reducing congestion on a roadway is disclosed comprising dividing selected lengths of selected normal lanes of a roadway into two commuter lanes, providing distinctive lane markings to identify the commuter lanes, and dynamically designating selected lengths of selected lanes as either normal lanes or pairs of commuter lanes. In order to dynamically change lane configurations, a set of indicators can be provided as lane markers together with a control system to alter particular lane configurations between normal lanes and commuting lanes both cyclically according to a preprogrammed schedule and dynamically in response to sensed vehicle traffic volume, unusual events such as accidents, weather, and so on. Commuter lanes are designated cyclically and dynamically in response to traffic conditions to increase the capacity of the affected road. Normal lanes are designated at other times.

Abstract: One aspect of the disclosure involves modifying a display marker at least partially by actuating an at least one positional display element. Another aspect of the disclosure involves modifying an effective positioning of at least one display marker relative to a supporting structure.

Abstract: The double-deck covered roadway (5) has an upper road (30) for light vehicle traffic and a lower road (25) for heavy, industrial vehicle traffic. The roadway is an intelligent system, having an access control computer (ACC) (55) limiting access of the roadways to the appropriate vehicles. Signal emitters, receivers and/or repeaters (40) for microwave, cell phones short-range radio, or the like may be provided. The roadway is covered, and has a slanted roof structure (7). Solar panels (10) are disposed atop the slanted roof structure (7). Spindles (8) may be provided that can pull off or pull on an optional protective cover for the solar panels (10). An indoor services module (50) houses the ACC (55) and other service systems. The underside of the upper roadway (30) can provide attached or embedded monitoring systems, road lighting, signal light boards (60) to communicate with drivers, etc.

Abstract: Disclosed is a temporary pavement marker for pavement surface treatment of existing pavement. The temporary pavement marker may include a base configured to be placed against the existing pavement. An upright section may be connected to the base. The upright section may include a bridge connected between a first upright and a second upright to form a treatment passageway. The bridge, the first upright, the second upright, and the base may be positioned around the treatment passageway.

Abstract: A method and system for detecting road markings, is provided. One implementation involves receiving an image (3) of a road (4) in front of a vehicle (2) from an imager (1), determining a region of interest in an identified road in the image, and detecting road markings (8L1 8R) by detecting lane markings (7L, 7R) in the region of interest, and if lane markings cannot be detected, then detecting road boundaries in the region of interest.

Abstract: A roadway safety warning device, preferably in the form of a continuous, integrated, prefabricated, plastic, raised rumble strip (IPPRRS), preferably pigmented to serve as edge lines as well as a continuous shoulder rumble strip (CSRS), for roadways, including but not limited to highways, county roads, and streets. It is preferably provided as a strip which has a series of first areas and second areas, the first areas having a first height, the second areas having a second height, and the second height being different than the first height. The first and second areas extend substantially across the width of the strip. The first and second areas alternate substantially along the length of the strip. The strip is made of an abrasion-resistant material and bonded to the pavement. The devise warns the driver of the vehicle riding on it.

Abstract: The spacing of road markings is determined as a function of physical and/or environmental road conditions to provide a simple means for vehicle operators to maintain a safe following distance between motor vehicles.

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: The present invention relates to a system, method, and composition for a thermochromatic, color indicative sheet or device that is bonded to an article such as a concrete or asphalt surface, a traffic sign, a plate of a guidepost and on which is indicated a surface temperature near or below the freezing point of water. The invention can also utilize an adhesive system including a pressure sensitive adhesive (PSA) and/or thermal sensitive adhesive sheet for adhering sheets of preformed thermoplastic with the thermochromatic color indicative sheet to concrete, asphalt, wood or composite material surfaces. The invention includes methods of applying the product allowing for immediate use in a traffic area upon completion of the application to any appropriate outdoor surface.

Abstract: Disclosed herein is a light emitting road boundary stone using a solar cell. More particularly, the light emitting road boundary stone includes a body, a solar cell unit mounted in an upper surface of the body and having a solar cell plate, a battery, and a circuit unit, and one or more light emitting units mounted in one or more lateral surfaces of the body and having lights to be turned on/off based on electricity supplied from the solar cell unit and other control conditions. The solar cell unit includes a lower fixing case embedded in the body of the boundary stone and an upper fixing case separably assembled to the lower fixing case. The light emitting road boundary stone has advertisement and propaganda functions, in addition to its essential delimitation function, via displaying images at any time of day or night.

Abstract: A kit containing thermoplastic pavement markers for convenience in transportation and application at a jobsite. The pavement markers have light colored projections on the upper surface to deflect water and reflect light for ease in viewing during rain, darkness and other adverse conditions. The method describes the application of the pavement markers on a road or other substrate for strong adhesion to asphalt and concrete.

Abstract: Improved reflective pavement marker is disclosed having a unitary hollow structural body molded in situ about at least one pre-formed retro-reflective lens plate. The unitary structural body has a base surface partially sealed with a compatible sheet includes exterior surface with multiple protruded grooves. An alternative structural body can have a sealed base surface including multiple protruded and recessed grooves with at least one inclined face having a recessed area for receiving a pre-formed lens plate attachment. The planar base surface of said unitary structural body includes an impact absorbing hollow cavities extending along the sides of the inclined reflective faces and incorporate multiple of protruded rectangular grooves.

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: A driving lane recognition system which can improve the lane recognition accuracy by stably detecting the various kinds of lane markers is disclosed. An image processing means 6 for image-processing a road image taken by a camera 5 has a plurality of different kinds of image processing algorithms 9 to 11. A driving lane is detected by selecting an image processing algorithm suitable for the driving lane out of the plurality of different kinds of image processing algorithms 9 to 11 corresponding to a road on which a vehicle is running.

Abstract: A highway marker and vehicle mounted detection system in which the highway marker includes LEDs of different colors that can be selected under different conditions, and non-visible light LEDs for transmitting information to passing vehicles and between highway markers.

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 system and process for detecting a traffic lane boundary before it is potentially violated by a moving vehicle traveling in the lane. Passive RF tags or labels are embedded in a paint stripe running along pavement. A sensor in the vehicle emits an RF signal at a frequency to which the tags or labels are responsive. When the emitted signal is incident on a tag or label with strength indicative of straying of the vehicle from the lane toward incipient violation of the lane boundary defined by the stripe, the tag or label issues a return signal that is received by the sensor for on-board signaling of the potential violation to alter the driver so that corrective action can be taken.

Abstract: An animal accident reduction system, method, and apparatus. The apparatus including at least some of a housing having substantially the same external size and shape of a raised reflective pavement marker, at least one input detector located within the housing, at least one logic and control circuit located within the housing, and at least one output device located within the housing, wherein the logic and control circuit is capable of receiving a signal from the input detector, wherein the output device is capable of receiving a signal from the logic and control circuit, and wherein the output device is capable of producing a determined sound, noise, or other vibration.

Abstract: In road white line recognition apparatus and method, a road extended in a forward direction of a vehicle is photographed through a photographing device, a deflection luminance information when a luminance information of an image photographed by the photographing device is represented by a luminance information that a surface of the road naturally has and the deflection luminance information from which the luminance information that the road surface naturally has is excluded is detected on the basis of an approximation function obtained by approximating the luminance information of the photographed image to a horizontal direction of the photographed image, a normalized luminance information is detected by removing the deflection luminance information from the luminance information of the photographed image, and a road white line is detected on the basis of the normalized luminance information.

Abstract: A roadway marking system, comprising a roadway marking tape and a plurality of spaced reflective roadway markers having a white reflective front surface, a red reflective rear surface and a elevated crest, is applied to an upper surface of a roadway. The roadway marking tape has a lower surface with an expandable adhesive material and a plurality of contoured roadway spikes, projecting from the reflective roadway markers which are exposed from the lower surface through the adhesive material. When downward pressure is applied to the upper surface of the roadway marking tape and the elevated crest of the reflective roadway markers, the roadway marking system becomes permanently attached to the upper surface of the roadway with the adhesive material providing a permanent adhesive seal between the marking tape and the roadway surface. Once attached to the roadway, the roadway marking system provides an audible, tactile and visual warning to a driver traveling on the roadway over the roadway marking system.

Abstract: A system for forming and applying a coherent refractory mass on the surface of a road wherein one or more non-combustible materials are mixed with one or more metallic combustible powders and an oxidizer, igniting the mixture so that the combustible metallic particles react in an exothermic manner with the oxidizer and release sufficient heat to form a coherent mass under the action of the heat of combustion and projecting this mass against the surface of the road so that the mass adheres durably to the surface of the road.

Abstract: A process and apparatus for forming a coherent refractory mass on the surface of a road wherein one or more non-combustible materials are mixed with one or more metallic combustible powders and an oxidizer, igniting the mixture so that the combustible metallic particles react in an exothermic manner with the oxidizer and release sufficient heat to form a coherent mass under the action of the heat of combustion and projecting this mass against the surface of the road so that the mass adheres durably to the surface of the road.

Abstract: A reflective pavement marker is used for delineating roadways, having at least one retro-reflective face, including a plurality of cube-corner reflective elements. The marker may comprise two similar portions agglutinated to each other along a vertical back wall of each marker and along an upper resilient segment, such as a handle bar, having beaded periphery edges, that facilitate agglutinating one marker to another, to form a bi-directional pavement marker. An abrasion-resistant, coating can be provided upon the reflective surfaces of said marker. The marker can be made from abrasion and ultra violet radiation resistant polymers, in either single or dual color segments.

Abstract: A highway marker for implantation in a highway or roadway where a top surface of the marker is just above the roadway surface and is centered in a stripe that separates the lane or roadway from the lane or roadway shoulder. The highway marker includes an outer sleeve formed from a section of five inch steel pipe that is for installation in the road with its top edge level with the road surface and contains a steel core centered in the sleeve in rubber that extends to the inner surface of the outer sleeve, the bonded rubber tending to deflect downwardly and rebound when a force is applied onto the steel core.

Abstract: Self-contained solar-powered long-life intelligent illuminated road markers are provided comprising a one-piece housing formed of optionally colored plastic capable of transmitting light. Light is reflected by reflective coating or generated internally by LED which is powered by a long life battery, the charging of which is controlled by electrical circuitry which comprises a peripheral interface controller. The electrical circuitry provides intelligent control for a variety of modes corresponding to diverse driving conditions, and can enter a low-power sleep mode to conserve battery life.

Abstract: A reflective pavement marker having a structural body and at least one retro-reflective face. The pavement marker having angled sides, each having a designated lower impact region, and a slanted finger grip region. The marker further having a base sealing sheet with texture outside surface, the at least one reflective face has an abrasion resistant coating and the marker can be colored in a single or multiple colors. At least two guide pins are received in corresponding guide pin slots, to facilitate joining two marker halves together.

Abstract: A process and apparatus for forming a coherent refractory mass on the surface of a road wherein one or more non-combustible materials are mixed with one or more metallic combustible powders and an oxidizer, igniting the mixture so that the combustible metallic particles react in an exothermic manner with the oxidizer and release sufficient heat to form a coherent mass under the action of the heat of combustion and projecting this mass against the surface of the road so that the mass adheres durably to the surface of the road.

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 collated array of temporary raised pavement markers (TRPMs), or permanent half-track and full-track raised pavement markers (RPM), has the pavement markers disposed in a nested arrangement with portions of a release sheet folded between successive ones of the pavement markers such that when the folded portions of the release sheet are unfolded in conjunction with the dispensing of a leading one of the pavement markers, feather-edge boundary structure defined between the release sheet and the block of adhesive material upon the associated one of the pavement markers is effectively recombined with the primary mass of adhesive material upon the pavement marker such that the feather-edge structure is assimilated into the primary mass of adhesive material in order to readily permit the separation, peeling, and stripping of the release sheet from the pavement marker.

Abstract: A long-fiber-reinforced thermoplastic resin sheet comprises short strands, each of which has a width of from 0.2 to 5 mm and a length of from 10 to 150 mm and is made of a unidirectionally long-fiber-reinforced thermoplastic resin. The short strands are oriented at random and are fixed together at intersections thereof. The long-fiber-reinforced thermoplastic resin sheet has a basis weight of from 30 to 500 g/m2 and is provided with openings therein. The long-fiber-reinforced thermoplastic resin sheet can be produced by evenly spreading and piling up short strands of substantially circular or elliptical sections, and subjecting the short strands to pressureless hot-melt adhesion or to hot-melt compression bonding under pressure such that the sheet has a basis weight of from 30 to 500 g/m2 and is provided with openings therein. The short strands of the substantially circular or elliptical sections have an average diameter of from 0.1 to 1.

Abstract: A collated array of temporary raised pavement markers (TRPMs), having substantially L-shaped configurations, has the pavement markers disposed in a nested arrangement with portions of a release sheet folded between successive ones of the pavement markers such that when the folded portions of the release sheet are unfolded in conjunction with the dispensing of a leading one of the pavement markers, feather-edge boundary structure defined between the release sheet and the block of adhesive material upon the associated one of the pavement markers is effectively recombined with the primary mass of adhesive material upon the pavement marker such that the feather-edge structure is assimilated into the primary mass of adhesive material in order to readily permit the separation, peeling, and stripping of the release sheet from the pavement marker.

Abstract: A road-marking system comprising at least a first (1) and a second road-marking unit (2) each having an emission surface (10; 20), the first unit comprising a first light source (21, 21′ . . . ) and the second unit comprising a second light source (22, 22′ . . . ). Each unit has a shape adapted to a saw-cut recess (9) accommodating the unit.

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: Apparatus and method for applying temporary raised pavement markers (TRPM) to roadway surfaces comprises primary and auxiliary conveyors wherein an upstream end portion of the primary conveyor is able to extend, for example, over the rear bed portion of a roadwork truck so as to permit an operator, stationed upon the bed portion of the truck, to deposit pavement markers upon the primary conveyor. In accordance with a first embodiment of the invention, a slide mechanism is disposed adjacent to a downstream end portion of the primary conveyor and adjacent to an upstream end portion of the auxiliary conveyor for transferring pavement markers from the primary conveyor to the auxiliary conveyor when the absence of a pavement marker upon the auxiliary conveyor is detected. When pavement markers are present upon both conveyors, the pavement markers are conducted to applicator mechanisms for application to the roadway surface.

Abstract: Apparatus for removing protective coverings from temporary raised pavement markers (TRPM) fixedly secured upon roadway surfaces comprises a platform, and a plurality of toothed implements disposed beneath the platform for encountering and removing the protective coverings mounted upon the upstanding vertical reflective portions of the temporary raised pavement markers (TRPM). The toothed implements are mounted upon a chain which is driven by a motor mounted upon an upper surface portion of the platform, and a blower is also mounted upon the upper surface portion of the platform. An exhaust duct, fluidically connected to the intake side of the blower, passes through a suction port defined within the platform so as to be fluidically connected to the underside of the platform, and in this manner, the removed protective coverings of the temporary raised pavement markers (TRPM) may be removed from the roadway surface and conveyed to a suitable debris collection bag.

Abstract: The present invention is directed to an improved thermoplastic pavement marking composition system that comprises a pavement surface that is light in color (white or off-white). A first marking stripe is applied and adheres to the top of the pavement surface. This first marking stripe has a thickness of at least about 40 mils to about 110 mils, and comprises a solidified thermoplastic resin composition. The solidified resin composition comprising a black pigment. A second marking stripe is applied and adheres to the surface of the first marking stripe, the second marking stripe having a thickness of at least 40 mils to about 750 mils or more. It is narrower than said first marking stripe and also comprises a solidified thermoplastic resin composition. The thermoplastic resin composition of the second marking stripe is comprised of a pigment that visibly contrasts with the first marking stripe.

Abstract: Plural penetration holes 3a are formed in the side wall of a base 3, and ends 6a, 7a of reinforcements 6, 7 of an RC pavement 2 laid around the light embedded area are inserted into the penetration holes 3a, and the peripheral edge of each penetration hole 3a and the ends 6a, 7a of the reinforcements 6, 7 are firmly fixed by welding. Since the ends 6a, 7a of the reinforcements 6, 7 of the RC pavement 2 and the base 3 are mutually fixed, the load applied to the inset light 1 from above is dispersed not only into the portion contacting with the lower side of the base 3 of the RC pavement 2, but also into the reinforcements 6, 7, and the sinking shearing resistance of the RC pavement 2 is extremely improved. Accordingly, if a heavy load of aircraft or the like is applied, the inset light capable of preventing sinking of the RC pavement in the lower part of the base is presented.

Abstract: A portable speed bump unit having a plurality of speed bump cells removably and pivotally connected together to form a single PSB unit of variable length. Each speed bump cell comprises a plastic base having a rectangular footprint, a raised top surface, and a cross-sectional profile that is generally trapezoidal or semi-circular in shape. The speed bump cells are interconnected via one or more hinge bars that are pivotally connected together, thereby allowing two adjacent speed bump cells to be folded together such that an entire PSB unit can be rolled up for easy retrieval, portability, and storage purposes and simply unrolled to an extended position for deployment and use. Alternative embodiments of a portable speed bump unit incorporate safety features, e.g.

Abstract: A method for making a magnetic pavement marker having an array of magnetic pavement elements arranged in a predefined pattern interconnected by a carrier web. After the array of magnetic pavement elements is applied to the pavement surface, the portion of the carrier web surrounding the magnetic pavement elements is removed or allowed to substantially deteriorate and dissipate, leaving an array of discrete, magnetic pavement elements.

Abstract: A method of making a pavement marker including the steps of forming an array of pavement elements in a predefined pattern interconnected by a carrier web. A frangible connection is formed between a plurality of the pavement elements and the carrier web. After the array of pavement elements is applied to the pavement surface using an adhesive, a portion of the carrier web surrounding the pavement elements is removed or allowed to substantially deteriorate and dissipate, leaving an array of discrete pavement elements.

Abstract: A traffic warning device for temporary placement upon the surface of a road includes a single elongated body with a first side having a reflector, and a second side and top having a bright color such as international orange. The shape and size of the traffic warning device are specifically designed to resist turning over when struck by a vehicle tire. When traffic warning device is placed prone, bottom down, upon the surface of the road, the first and second sides form an elongate barrier which extends along the surface of the road, thereby alerting a motorist to a road obstruction. The present invention comprises a safe, one time deployment of reusable barricades, thus eliminating the need to use conventional highway flares which burn hazardous materials.

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: 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 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: 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 tower for preventing people and equipment from entering a restricted area, the security tower including a vertical post connected to a base, the post being constructed from a rigid material, the post having at least one hollow channel therethrough for receiving a flexible elongated barrier material, the post having at least one pair of shoulders extending horizontally from the sides of the post, and each of the pair of shoulders having a pin extending vertically upward therefrom.

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.