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The following junction types typically permit U-turns but are not designed specifically for that purpose. Normal at-grade intersections on divided highways often allow traffic traveling on the divided highway to perform a U-turn, often when there is a green light for traffic turning onto the side road, crossing the opposing lanes (left turns in countries where traffic drives on the right ...
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).
Making a U-turn on a curve, a slope, a narrow road, a narrow bridge, or a tunnel. Making a U-turn at a road segment signed No U-turn or painted double solid yellow or white lines or no-overtaking lines. Making a U-turn at a road segment prohibiting left turn. Not surrounding a roundabout to make a U-turn in such an intersection.
RIRO is an important tool of access management, itself an important component of transportation planning.A study applying access management guidelines to the redesign of Missouri Route 763 in Columbia, Missouri [4] illustrates how RIRO, combined with signalized intersections designed to permit U-turns, can accommodate high volumes of traffic with low delay and high safety.
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 crossing over of two streets or roads.
The ring road of Coventry, England, is a notorious example, as are parts of the southern M25, the London orbital motorway, the M6/M5 junction north-west of Birmingham, and the A4/M5 junction west of Bristol. Weaving can often cause side-on collisions on very fast roads with top speeds of up to 200 kilometres per hour, as well as the problem of ...
Palatka station; Pennsylvania Station (1910–1963) Peoria Union Station; Petersburg Union Station; Phillipsburg Union Station; Union Station (Phoenix, Arizona) Union Station (Pine Bluff, Arkansas) Union Station (Pittsburgh) Union Station (Pittsfield, Massachusetts) Plant City Union Depot; Portland Union Station; Union Station (Portland, Maine)
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 ...