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  2. Access mat - Wikipedia

    en.wikipedia.org/wiki/Access_mat

    Access mats are a category of matting that are generally used to provide temporary roads and worksites. Access mats are often used to access work sites in remote or environmentally sensitive areas, [5] such as bogs, wetlands or fens. For that reason, they are often referred to as swamp, bog or wetland mats.

  3. List of gaps in Interstate Highways - Wikipedia

    en.wikipedia.org/wiki/List_of_gaps_in_Interstate...

    The speed limit is also reduced to 45 mph (70 km/h) for cars and 20 mph (30 km/h) for trucks. The highway returns to Interstate standard for about 50 miles until it reaches the Sault Ste. Marie International Bridge, which carries undivided lanes to the Canada–US border in the middle of the bridge, where I-75 terminates.

  4. Pennsylvania Turnpike/Interstate 95 Interchange Project

    en.wikipedia.org/wiki/Pennsylvania_Turnpike/...

    The first stage of the project, which includes the new toll plaza, widening, and the flyover ramps between I-95 and the turnpike, is projected to cost about $553 million. [3] The flyover ramps are expected to cost $142.9 million, with $100 million coming from federal funds and the remainder from the turnpike commission.

  5. Vehicle mat - Wikipedia

    en.wikipedia.org/wiki/Vehicle_mat

    Vehicle mats generally come in two options: either rubber or carpet fabric. These differ in a number of ways, and each material provides advantages and disadvantages when compared to the other. For instance, carpet mats are generally tufted and have a rubberized anti-slip backing, while rubber mats are heavier-duty and more durable.

  6. 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 ...

  7. Grade separation - Wikipedia

    en.wikipedia.org/wiki/Grade_separation

    The blue car entering the grade-separated road, and both the red and blue car exiting must both change lanes in the short distance provided. On roadways with grade-separated interchanges, weaving is a result of placing an exit ramp a short distance after an entry ramp, causing conflicts between traffic attempting to leave the roadway at the ...

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  9. Pennsylvania Turnpike - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_Turnpike

    [358] [359] In 1996, the PTC announced they were considering the addition of slip ramps in the Philadelphia area as part of the conversion. [360] In 1998, it was announced the implementation of the system was postponed until 2000. [361] Construction began on the Virginia Drive slip ramp in early 2000, it would serve westbound traffic. [362]