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Reversible lane. The south end of Lions Gate Bridge in Vancouver, British Columbia. A reversible lane (or tidal flow) is a managed lane in which traffic may travel in either direction, depending on certain conditions. Typically, it is meant to improve traffic flow during rush hours, by having overhead traffic lights and lighted street signs ...
Contraflow lane reversal is the altering of the normal flow of traffic, typically on a controlled-access highway (such as a freeway or motorway), to either aid in an emergency evacuation (the most common usage of the term in the United States) or, as part of routine maintenance activities, to facilitate widening or reconstruction of one of the highway's carriageways (the most common usage in ...
Contraflow lane. In transport engineering nomenclature, a counterflow lane or contraflow lane is a lane in which traffic flows in the opposite direction of the surrounding lanes. Contraflow lanes are often used for bicycles or bus rapid transit on what are otherwise one-way streets. In a sample configuration for buses, a street might have four ...
Lane control signals around the world follow their own universal pattern, as specified in the Vienna Convention on Road Signs and Signals. [1]: Art.23, ¶11 Typical signals include a green downward arrow, used to indicate a lane which is open to traffic facing the signal, a red cross, which indicates a lane is either reserved for opposing traffic or closed to traffic in both directions, and a ...
Lanes with double broken yellow lines on each side are reversible, [52] and lane control signals are used to indicate which direction traffic in such lanes is supposed to travel. The solid white line on the right side is called the ' fog line ' used to help cars stay in their lane during foggy conditions and help pedestrians stay off the road.
The bridge has three lanes, with the middle being a reversible lane indicated by signals. The centre lane changes direction to accommodate for traffic patterns. The traffic volume on the bridge is 60,000–70,000 vehicles per day. Trucks exceeding 13 tonnes (12.8 long tons; 14.3 short tons) are prohibited, as are vehicles using studded tires.
A reversible lane (contraflow lane) is a lane where the direction of traffic can be changed to match the peak flow. They are usually used where there are periods of high traffic, especially rush hour where the traffic is predominantly in one direction, and on roads that may be geographically constrained, such as over bridges.
A diagram of a Texas U-turn, also known as a Texas turnaround (this one with the local road over the limited-access highway) A Texas U-turn, or Texas turnaround, boomerang, or loop around, [citation needed] is a lane allowing cars traveling on one side of a one-way frontage road to U-turn onto the opposite frontage road (typically crossing over or under a freeway or expressway).