contraflow lane

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      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 lanes: the outermost lanes are reserved for buses in both directions, while the center two lanes are available for general traffic in only one direction. Thus, the street functions as two-way for buses, but one-way for all other vehicles.
      In certain situations, reversible lanes will be contraflow for a portion of the day. The Lincoln Tunnel XBL to the Lincoln Tunnel is a contraflow exclusive bus lane for buses during the morning peak period. The XBL lane is fed by the New Jersey Turnpike at Exits 16E and 17, and New Jersey Route 3. The helix, tunnel, and terminal are owned and operated by the Port Authority of New York and New Jersey, the bi-state agency that also operates the 2.5-mile (4.02 km) contraflow lane along the left lane of three westbound lanes. The XBL serves over 1,800 buses, which transport more than 65,000 persons, each morning and is a major component of the morning "inbound" commutation crossing the Hudson River.
      When lanes on motorways are closed for repair and maintenance, a contraflow lane may be set up on the other side of the central reservation.


      Disambiguation


      There are similar setups with slightly different usages, although the terms may be commonly used interchangeably.
      Contraflow Lane: Typically used to refer to a bus lane running against a one-way street through the opposite direction
      Contraflow Lane Reversal: Typically used to refer to a temporary setup of a lane running opposite to normal during special times, such as emergency evacuations, sports tournaments, or road construction/repairs.
      Reversible Lane: Typically used to refer to a lane specifically designed to facilitate different directional usage regularly, with changes sometimes as frequent as twice a day.


      Mass transit



      Contraflow bus lanes, areas in which a dedicated lane of an otherwise one way street is reversed for buses and other mass transit, exist in locations such as:

      Downtown Los Angeles, CA
      Pittsburgh, PA
      Belfast, United Kingdom
      Through the Lincoln Tunnel between New Jersey and New York City
      Downtown Minneapolis, MN
      Leeds, United Kingdom
      London, United Kingdom
      Paris, France
      Edmonton, AB
      Calgary, AB
      Montreal, QC (Champlain Bridge)
      San Juan, PR
      Mexico City, Mexico
      São Paulo, Brazil
      Houston, TX
      Downtown Austin, TX
      Hong Kong Island, SAR Hong Kong (similar lanes are also reserved for trams)
      Liège, Belgium
      Celebration Pointe Ave at Gainesville, Florida
      From June 1990 to June 2002, a similar line existed in Montreal, along Pie-IX Boulevard; this was indefinitely suspended after two fatalities.
      Government buses use a bus-only contraflow lane on Macquarie St in Hobart, Tasmania, Australia.
      Authorised buses, emergency vehicles and taxis use a contraflow lane on Petrie Tce, Brisbane, Queensland, Australia.
      Tram lanes are an extension to this system found in cities with curbside streetcar networks. For example, tram lanes in Zagreb can be used only by trams, buses, and taxicabs.


      Cycling



      Contraflow is a common part of decent cycling infrastructure and is often seen on one-way streets. A standard example is that car and other vehicular traffic might have only one lane while on both sides there are bike lanes; one going in the same direction as the vehicular traffic, the other (the contraflow bike lane) allows cyclists to safely go in the opposite direction to the cars. This is allowed as the road may not be wide enough for two lanes of car traffic but there is enough room to allow for the additional bicycle lane; and without it cyclists may be forced to take a long, and perhaps unsafe, detour.
      Another example is the same as the above but there is only one bike lane, the contraflow lane, and bicycles travelling in the same direction as the cars share the cars' lane. This solution would be more suited to very narrow roads or ones with light traffic.

      In Belgium since about 2005, and in France since 2010, the default position in towns has been for one-way streets to be available for cycling in either direction, known in French as sens unique limité (SUL) in Belgium and double sens cyclable (DSC) in France. In this case, a contraflow cycle lane is often marked in paint, with dotted white lines and ideograms of a bicycle, either all the way along the street if busy, or more commonly just at junctions.
      In the Netherlands, most one-way streets are two way for cyclists, although this is not always marked by a counterflow lane. This is presented as a 'one-way street, except for cyclists'. One-way streets that do not include contraflow for bicycles are rare and are usually only found as pairs of a single street (with very large median) that are too far apart to be presented as a single street. It is not uncommon for cyclists to fail to notice a one-way street that does include contraflow for bicycles, because they are too accustomed to all one-way streets including bicycles.
      In the United Kingdom, it is standard since 2020 to encourage highway authorities to allow cycles to take a shorter and perhaps safer routes on narrow one-way residential streets. On streets with less than 1000 vehicles a day and a speed limit of 20 mph, contraflow lanes do not require lane markings where, although appear on upright signage. As part of new or improved one-way road layouts, contraflow cycle lanes should be considered.
      In the United States, the town of Provincetown, Massachusetts on Cape Cod has long allowed cycling in both directions on its three-mile long main street, Commercial Street. There is no marked cycle lane. This unusual condition required special state legislation in 1977 to give the local government permission to set its own rules for the street.
      Contraflow cycling is often assumed to be associated with higher accidents risks, but where it has been properly evaluated, contraflow cycling actually seems to reduce the accidents risk.


      See also


      Contraflow lane reversal
      Reversible lane
      Single track road


      References

    Kata Kunci Pencarian: contraflow lane

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    Contraflow lane - Wikipedia

    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.

    Injuries reported after crash shuts down contraflow lane on I-75

    1 day ago · UPDATE @ 8:05 a.m.: The Contraflow lane appears to be back open and traffic has begun moving again. Around 6:11 a.m. crews were dispatched to the Contraflow lane on I-75 Southbound near Stanley ...

    Contraflow lane reversal - Wikipedia

    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 ...

    Contraflow System - Motorway, Bus and Cycle Lane Explained

    Information about the motorway, bus and cycle lane contraflow system including UK road signs. See all related driving theory test questions.

    Contraflow system: the complete guide - Veygo

    Aug 3, 2021 · Contraflow bus lane . Contraflow bus lanes work in the same way as the cycle lanes; the bus lane will flow in the opposite direction to other traffic. The contraflow bus lane road sign is a blue rectangle with a white line down the middle, arrows on each side and a bus.

    What is a Contraflow System? - Driving Theory Workshop

    May 31, 2023 · This article will guide you through everything you need to know about where contraflow systems can be employed, so that you are well-informed for both your theory test and can safely navigate contraflow bus and cycle lanes, or contraflow systems on a motorway, after passing your test.

    Contraflow Bus and Cycle Lanes and Systems - Driving Test Tips

    Contraflow bus lanes are usually located in busy city areas and are used to allow a bus the most direct route and to aid in avoiding routes that suffer from traffic congestion. See bus lane signs and bus lane road markings for further details on how to use bus lanes.

    Contra-Flow Bus Lanes - NACTO

    The ideal contra-flow bus lane is designed similar to a regular 2-way street, with non-transit vehicles barred from using the lane or lanes in one direction. Benefits & Considerations. Contra-flow bus lanes may enable connectivity and shorten travel times for bus routes.

    What is a contraflow system? A guide for learner drivers

    Dec 17, 2024 · A contraflow bus lane system can commonly be found in towns and cities across the UK, and are used to enhance public transportation efficiency, reduce travel times for buses, and encourage the use of public transport.

    Demystifying the Contraflow Transit Lanes - by Marco Chitti

    Jan 8, 2024 · Those who patiently follow me on Twitter know that I've extensively discussed the "contraflow transit lane" in the past year. In this concise post, I'll explain how it operates and its applicable scenarios.