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  2. Raised pavement marker - Wikipedia

    en.wikipedia.org/wiki/Raised_pavement_marker

    The company (based in Ennis, Texas) changed its name to Ennis Traffic Safety Solutions and now markets the Stimsonite product line and descendants under the Stimsonite brand. Other manufacturers of retroreflective raised pavement markers sold in the United States under various designs include 3M , Apex Universal, Vialume, and Ray-O-Lite.

  3. Controlled-access highway - Wikipedia

    en.wikipedia.org/wiki/Controlled-access_highway

    The median-side travel lane of the old two-way corridor becomes a passing lane. Other techniques involve building a new carriageway on the side of a divided highway that has a lot of private access on one side and sometimes has long driveways on the other side since an easement for widening comes into place, especially in rural areas.

  4. Glossary of road transport terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_road_transport...

    A roadway can comprise one or more carriageways; single carriageways may contain both directions of traffic for the roadway, while multiple carriageways can separate traffic by direction or type. Cashless tolling. See open road tolling. Cat's eye A retroreflective safety device used in road marking and the first of a range of raised pavement ...

  5. Road surface marking - Wikipedia

    en.wikipedia.org/wiki/Road_surface_marking

    The completion of the process leaves a symmetrical pattern of dash marks on the roadway, as if there were an associated meaning to the pattern. [6] When there are many of them along the roadway, motorists may interpret the marks as an unknown form of mechanical markers or strange road surface markings. [7]

  6. Surface Transportation Assistance Act - Wikipedia

    en.wikipedia.org/wiki/Surface_Transportation...

    Roadway Express, Inc., 481 U.S. 252, that due process requires that employers receive prereinstatement notice of the employee's allegations, notice of the substance of the relevant supporting evidence, an opportunity to submit a written response, and an opportunity to meet with the investigator and present statements from rebuttal witnesses ...

  7. 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 ...

  8. Limited-access road - Wikipedia

    en.wikipedia.org/wiki/Limited-access_road

    The Veterans Memorial Parkway in London, Ontario is a modern at-grade limited-access road with intersections. A limited-access road, known by various terms worldwide, including limited-access highway, dual-carriageway, expressway, and partial controlled-access highway, is a highway or arterial road for high-speed traffic which has many or most characteristics of a controlled-access highway ...

  9. Managed lane - Wikipedia

    en.wikipedia.org/wiki/Managed_lane

    The most important prerequisite condition necessary for managed lane demand to materialize is the presence of recurring traffic congestion. Managed lanes are by definition a congestion management strategy and have benefits that are only fully realized in the context of frequent traffic congestion that causes significant travel time delays and uncertainty over trip time reliability.