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  2. Intersection (road) - Wikipedia

    en.wikipedia.org/wiki/Intersection_(road)

    A three-way intersection is a junction between three road segments (arms): a T junction when two arms form one road, or a Y junction, the latter also known as a fork if approached from the stem of the Y. Fork in the road Y-junction. A four-way intersection, or crossroads, usually involves a

  3. Glossary of road transport terms - Wikipedia

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

    See three-way junction 5-1-1 A transportation and traffic information telephone hotline in some regions of the United States and Canada that was initially designated for road weather information. A Access road See frontage road Advisory speed limit A speed recommendation by a governing body. All-way stop or four-way stop An intersection system where traffic approaching it from all directions ...

  4. Road junction - Wikipedia

    en.wikipedia.org/wiki/Road_junction

    A "mixing bowl" highway interchange between I-96, M-5, I-275, and I-696 in Novi, Michigan, United States. At interchanges, roads pass above or below each other, using grade separation and slip roads. The terms motorway junction and highway interchange typically refer to this layout. They can be further subdivided into those with and without ...

  5. Interchange (road) - Wikipedia

    en.wikipedia.org/wiki/Interchange_(road)

    A junction that connects a controlled-access facility to a lower-order facility, such as an arterial or collector road. [ 4 ] The mainline is the controlled-access highway in a service interchange, while the crossroad is the lower-order facility that often includes at-grade intersections or roundabouts, which may pass over or under the mainline.

  6. Three-way junction - Wikipedia

    en.wikipedia.org/wiki/Three-way_junction

    Three way junction at Dragons Green - geograph.org.uk - 1578998. A three-way junction (or three-way intersection) is a type of road intersection with three arms. A Y junction (or Y intersection) generally has three arms of equal size coming at an acute or obtuse angle to each other; while a T junction (or T intersection) also has three arms, but one of the arms is generally a smaller road ...

  7. Geometric design of roads - Wikipedia

    en.wikipedia.org/wiki/Geometric_design_of_roads

    Intersection sight distance is the sight distance needed to safely proceed through an intersection. The distance needed depends on the type of traffic control at the intersection (uncontrolled, yield sign, stop sign or signal), and the maneuver (left turn, right turn, or proceeding straight).

  8. Roundabout - Wikipedia

    en.wikipedia.org/wiki/Roundabout

    The Hotel Indonesia Roundabout in Jakarta, Indonesia A roundabout in Kent, UK on the A13 highway near Sadlers Farm. A roundabout, a rotary and a traffic circle are types of circular intersection or junction in which road traffic is permitted to flow in one direction around a central island, and priority is typically given to traffic already in the junction.

  9. All-way stop - Wikipedia

    en.wikipedia.org/wiki/All-way_stop

    During electrical outages when a traffic signal does not display any indications including flashing red, some jurisdictions require that the intersection be treated as an all-way stop. Other jurisdictions treat a dark signal as an uncontrolled intersection, where standard rules of right-of-way apply without the requirement of a complete stop.