Electronic display systems, including roadside display devices, vehicle-based devices, personal mobile devices, intermediary servers, advertising servers and/or networks, and/or additional external data sources may operate individually or in combination to identify one or more vehicle locations, driving routes, driver and passenger characteristics, driving behavior and patterns, telematics data, and the like. Vehicle and individual characteristics and/or telematics data may be determined based on data received from traffic cameras, vehicle-based devices, personal mobile devices, telematics devices, and/or other data sources, including software applications. Based on the vehicle characteristics, individual characteristics, driving data and driving patterns, telematics data, and the like, content, such as digital display content or audio content, may be determined for output on various devices, such as electronic roadside displays to be viewable by the approaching vehicles, and/or other devices to be accessible by associated individuals via the other devices. Various techniques may be used to determine customized content. Additionally, certain systems may be interactive to allow user responses and follow-up content via on-board vehicle devices or other user devices.

A lighting apparatus includes a housing with a front surface member that has a rectangular opening. A light refracting member is installed within the rectangular opening, and the light refracting member includes a flat front face that is mounted substantially flush with the front surface member of the housing. A lighting source is installed within the housing and is configured to emit light towards the light refracting member. The lighting source includes a support body with an aperture within which one or more light emitters are installed. The light refracting member also includes a rear face that is defined by a convex lens structure that rearwardly extends into the aperture of the support body and extends longitudinally parallel to a longer dimension of the rectangular opening.

A support element includes a bore; a boss surrounding the bore and having an offset surface at an angle to the bore axis; and a counterbore formed opposite the boss relative to the bore and substantially coaxial with the bore, having a counterbore surface substantially orthogonal to the bore axis and a counterbore angled surface at an angle to the bore axis and corresponding to the offset surface. A bolt, including a head portion received in the counterbore and a threaded portion received at least partially within the bore, couples an illumination device to the support element, such that the illumination device is capable of being pivoted about the bore axis and a transverse axis orthogonal to the bore axis.

Described are retroreflective marker devices, which encode information that can be read by optical sensors, such as LiDAR devices, and that do not detract from human safety. Also described are kits for retrofitting existing markers.

A wrong way vehicle detection system may include a warning station, a communications device and a controller to operate a forward facing movement sensor at the warning station to detect a wrong way vehicle on the roadway, and responsive to the detection of the wrong way vehicle on the roadway by the forward facing movement sensor, activate at least one flashing beacon and operate a rear facing movement sensor at the warning station to detect movement of the wrong way vehicle beyond the warning station. The controller may also, responsive to detection of the wrong way vehicle moving beyond the warning station, send a wrong way vehicle detection alert via the communications device. The system may further include a navigation server to receive the wrong way vehicle detection alert and send a wrong way driver warning to a mobile wireless communications device(s) within a geographic boundary of the warning station.

A wrong way vehicle detection system may include a warning station, a communications device and a controller to operate a forward facing movement sensor at the warning station to detect a wrong way vehicle on the roadway, and responsive to the detection of the wrong way vehicle on the roadway by the forward facing movement sensor, activate at least one flashing beacon and operate a rear facing movement sensor at the warning station to detect movement of the wrong way vehicle beyond the warning station. The controller may also, responsive to detection of the wrong way vehicle moving beyond the warning station, send a wrong way vehicle detection alert via the communications device. The system may further include a navigation server to receive the wrong way vehicle detection alert and send a wrong way driver warning to a mobile wireless communications device(s) within a geographic boundary of the warning station.

A safety fence support device with flexibility may be provided. More particularly, a safety fence support device with flexibility may be provided which is simply installed on a safety fence used in various sports facilities, e.g., a baseball field, an ice hockey rink, a ski slope, etc., causes the safety fence to be tilted backward even when players playing a game or people enjoying the sports in the sports facilities collide with the safety fence at various angles, thereby preventing injury by mitigating impact applied to a human body through the safety fence, and is used in various sports facilities regardless of the kind of the safety fence by controlling the degree of flexibility for mitigating the impact in accordance with the impact strength.

A mounting bracket assembly for supporting a traffic control device on a mast arm or pole. The bracket includes a first clamp adapted to removably attach to the mast arm or pole or other elongate support, and is designed to be positioned vertically or horizontally. A second clamp is removably attachable to a strut member, such as a strut channel or tube.

A sign assembly includes a sign panel, a base including an upper surface and a lower surface, a first longitudinal side and a second longitudinal side, the first longitudinal side including a midpoint disposed between first and second outer points, and the second longitudinal side including a midpoint disposed between first and second outer points, and first and second longitudinal sides, and a platform disposed on the base for attaching the sign panel to the base, wherein a distance between the midpoint of the first longitudinal side and the midpoint of the second longitudinal side is less than a distance between the first outer points of the first and second longitudinal sides, and the distance between the midpoint of the first longitudinal side and the midpoint of the second longitudinal side is less than a distance between the second outer points of the first and second longitudinal sides.

A selectively activated speed bump is placed on streets to slow down vehicles. The cover has a central part and lateral parts on both sides of the central part. An elevation movement mechanism for the cover is installed in a rectangular pit formed by a box. A shaft has a terminal end joined to pillow blocks inside the box and a plurality of cams, being flexible offset discs, along a length of the shaft. The cams turn to raise the cover to a higher level than the ground and continue to turn in order to return the cover to the same height of the ground. The speed bump slows vehicles on streets and on avenues.