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  2. Runaway truck ramp - Wikipedia

    en.wikipedia.org/wiki/Runaway_truck_ramp

    Gravity escape ramp: a long, upwardly inclined path parallel to the road. Substantial length is required. Control can be difficult for the driver; problems include rollback after the vehicle stops. Sand pile escape ramp: a short length of loosely piled sand. Problems include sudden, forceful deceleration; sand being affected by weather ...

  3. Engineered materials arrestor system - Wikipedia

    en.wikipedia.org/wiki/Engineered_materials...

    As the aircraft crushes the EMAS material, it loses energy and slows down. An EMAS is similar in concept to the runaway truck ramp or race circuit gravel trap, made of gravel or sand. It is intended to stop an aircraft that has overshot a runway when there is an insufficient free space for a standard runway safety area (RSA). Multiple patents ...

  4. Ramp meter - Wikipedia

    en.wikipedia.org/wiki/Ramp_meter

    Metered ramp on I-894 in the Milwaukee area. A Portland, Oregon ramp meter. A ramp meter, ramp signal, or metering light is a device, usually a basic traffic light or a two-section signal light (red and green only, no yellow) together with a signal controller, that regulates the flow of traffic entering freeways according to current traffic conditions.

  5. When are freeway on-ramp meters active in California? Can I ...

    www.aol.com/news/freeway-ramp-meters-active...

    If you run a red light at a ramp meter, Leavitt said you could be cited for violating California Vehicle Code 21453, which states a driver must stop when faced with a steady red signal — even if ...

  6. Should you speed up on I-95 entrance ramp? Do you have to ...

    www.aol.com/speed-95-entrance-ramp-stop...

    Lighter Side. Medicare. News

  7. Glossary of road transport terms - Wikipedia

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

    See runaway truck ramp. Truck driver, trucker or truckie, lorry driver, or driver A person who earns a living by driving a truck. Truck route A bypass designed for heavy truck traffic. Trumpet interchange An interchange commonly used where one highway terminates at another highway; resembles the bell of a trumpet. Turbo-T. See seagull ...

  8. Ramp travel index - Wikipedia

    en.wikipedia.org/wiki/Ramp_travel_index

    Ramp travel index or RTI, is a way of measuring a vehicle's ability to flex its suspension, a property also known as axle articulation. The RTI rating is used mainly in the off-roading industry to test and describe chassis limits of modified vehicles. The ramps vary between 15 and 30 degrees of angle for the vehicle to ride up.

  9. 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 ...