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  2. Controlled-access highway - Wikipedia

    en.wikipedia.org/wiki/Controlled-access_highway

    According to road traffic laws of Vietnam, an expressway is a road for motor vehicles, with a divider separating opposing traffic directions, no at-grade crossings with intersecting roads, fully equipped facilities to ensure continuous traffic flow, safety and short journey times, and access allowed only at interchanges.

  3. Four-quadrant gate - Wikipedia

    en.wikipedia.org/wiki/Four-quadrant_gate

    A level crossing with manually-controlled full barriers at Chertsey, England. The barriers are rising. A four-quadrant gate or full-barrier equipment is a type of boom barrier gate protecting a grade crossing. It has a gate mechanism on both sides of the tracks for both directions of automotive traffic.

  4. Grade separation - Wikipedia

    en.wikipedia.org/wiki/Grade_separation

    Grade-separated pedestrian and cycling routes often require modest space since they do not typically intersect with the facility (such as a highway) that they cross. However, grade-separated pedestrian crossings with steps introduce accessibility problems. Some crossings have lifts, but these can be time-consuming to use.

  5. Cost to make railroad crossings safer is skyrocketing. It ...

    www.aol.com/cost-railroad-crossings-safer...

    In a transportation report outlining projects for fiscal years 2013 through 2017, MoDOT said that the average highway-rail crossing project costs $200,000 to $250,000, resulting in improvements to ...

  6. American Association of State Highway and Transportation ...

    en.wikipedia.org/wiki/American_Association_of...

    The American Association of State Highway and Transportation Officials (AASHTO) is a standards setting body which publishes specifications, test protocols, and guidelines that are used in highway design and construction throughout the United States. Despite its name, the association represents not only highways but air, rail, water, and public ...

  7. Interstate Highway standards - Wikipedia

    en.wikipedia.org/wiki/Interstate_Highway_standards

    [1] [2] Standardization can therefore decrease accidents and increase driver safety. [3] An Interstate Highway under construction , with both directions of traffic moved to one side of the roadway I-94 in Michigan, showing examples of non-interchange overpass signage in median, upcoming exit signage on right shoulder, a pre-1960 overpass with ...

  8. These dangerous Durham railroad crossings could be ... - AOL

    www.aol.com/dangerous-durham-railroad-crossings...

    Durham County and GoTriangle received a $1.2 million federal grant to help craft a plan for eliminating the at-grade crossings at Driver and Plum streets and the nearest one at Ellis Road.

  9. Operation Lifesaver - Wikipedia

    en.wikipedia.org/wiki/Operation_Lifesaver

    Operation Lifesaver is a 501(c)(3) educational organization in the United States dedicated to promoting safety at railroad grade crossings and railroad rights-of-way. Operation Lifesaver is the largest rail safety education organization in the United States. [1] It was founded by the Union Pacific Railroad in the early 1970s. [2]