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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 ...
Bar gates, especially manually operated ones, are often counterweighted to allow easier manual control. [7] Bar gates are frequently paired end to end or closely offset to block traffic in both directions. Some bar gates also have a second arm which hangs 30 to 40 cm below the upper arm when lowered to increase approach visibility.
A removable guardrail as median barrier. In traffic engineering, a highway guardrail may prevent an errant vehicle from hitting roadside obstacles, which may be either man-made (sign structures, culvert inlets, utility poles) or natural (trees, rock croppings), running off the road and going down a steep embankment, or veering off the roadway ...
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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.
Mildred Street southbound is closed by concrete barriers. I-19 between North West Street and its southern terminus at West Crawford Street at North Sonoita Avenue, in Nogales, Arizona, consists of surface streets with traffic lights. The signage of this segment is intended to help direct traffic entering from Mexico to the nearest interstate.
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