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  2. Traffic cone - Wikipedia

    en.wikipedia.org/wiki/Traffic_cone

    Traffic cones, also called pylons, witches' hats, [1] [2] road cones, highway cones, safety cones, caution cones, channelizing devices, [3] construction cones, roadworks cones, or just cones, are usually cone-shaped markers that are placed on roads or footpaths to temporarily redirect traffic in a safe manner.

  3. Construction barrel - Wikipedia

    en.wikipedia.org/wiki/Construction_Barrel

    They are an alternative to traffic cones which are smaller and easily hit by vehicles. Drums tend to command more respect from drivers than cones as they are larger, more visible, and give the appearance of being formidable obstacles. [1] Construction barrels are typically bright orange [2] and have four alternating white and orange reflective ...

  4. Road traffic control device - Wikipedia

    en.wikipedia.org/wiki/Road_traffic_control_device

    Common channelizing devices are traffic cones and drums. These types of traffic control devices are usually placed between traffic and road construction zones, or between opposing traffic streams. Arrow boards are portable, illuminated, high-visibility panels that are used to alert motorists of an approaching lane closure and to specify the ...

  5. Traffic barrier - Wikipedia

    en.wikipedia.org/wiki/Traffic_barrier

    Traffic barrier with a pedestrian guardrail behind it. Traffic barriers (known in North America as guardrails or guard rails, [1] in Britain as crash barriers, [2] and in auto racing as Armco barriers [3]) keep vehicles within their roadway and prevent them from colliding with dangerous obstacles such as boulders, sign supports, trees, bridge abutments, buildings, walls, and large storm drains ...

  6. Federal-Aid Highway Act of 1973 - Wikipedia

    en.wikipedia.org/wiki/Federal-Aid_Highway_Act_of...

    Highway Safety Improvement: The act provided funding for capital improvements to roads that improved safety, such as guard rails or improved railway-road at-grade crossings. The act also required DOT to establish program of data collection, research, and demonstration programs to improve highway safety by improving highway construction standards.

  7. Tactile paving - Wikipedia

    en.wikipedia.org/wiki/Tactile_paving

    A set of yellow truncated domes on the down-ramp in a parking lot. Tactile paving (also called tenji blocks, truncated domes, detectable warnings, tactile tiles, tactile ground surface indicators, tactile walking surface indicators, or detectable warning surfaces) is a system of textured ground surface indicators found at roadsides (such as at curb cuts), by and on stairs, and on railway ...