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  2. Interchange (road) - Wikipedia

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

    Freeway junction, highway interchange (NA), or motorway junction (UK) A type of road junction linking one controlled-access highway (freeway or motorway) facility to another, to other roads, or to a rest area or motorway service area. Junctions and interchanges are often (but not always) numbered either sequentially, or by distance from one ...

  3. List of road interchanges in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_road_interchanges...

    Despite the construction of interchanges smoothing flow, 11 of the top 30 most congested stretches of highway in the U.S. are in Los Angeles. [4] Pregerson Interchange in Los Angeles. Alemany Maze; Dosan Ahn Chang Ho Memorial Interchange; East Los Angeles Interchange; El Toro Y, at convergence of I-405 with I-5, in El Toro, California. This was ...

  4. 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

  5. Who goes first at a four-way stop? NC law says these drivers ...

    www.aol.com/news/goes-first-four-way-stop...

    Four-way stops are an effective way to keep drivers safe on the road. According to the N.C. Department of Transportation, on average, converting intersections into four-way stops — also called ...

  6. All-way stop - Wikipedia

    en.wikipedia.org/wiki/All-way_stop

    A 4-way stop in San Francisco. An all-way stop – also known as a four-way stop (or three-way stop etc. as appropriate) – is a traffic management system which requires vehicles on all the approaches to a road intersection to stop at the intersection before proceeding through it.

  7. Stack interchange - Wikipedia

    en.wikipedia.org/wiki/Stack_interchange

    The Four Level Interchange of Arroyo Seco Parkway and Highway 101, looking northeast, in Los Angeles, California. It was the first stack interchange in the world. Highway Interchange between Dolphin Expressway and Palmetto Expressway (Dolphin–Palmetto Interchange) in Greater Miami, Florida, United States

  8. Road signs in the United States - Wikipedia

    en.wikipedia.org/wiki/Road_signs_in_the_United...

    2.6 R6 series: One way and divided highway. 2.7 R7 series: Parking. 2.8 R8 series: ... Divided highway transit rail crossing (T-intersection) R15-8 Look both ways at ...

  9. Four Level Interchange - Wikipedia

    en.wikipedia.org/wiki/Four_Level_Interchange

    The Four Level Interchange (officially the Bill Keene Memorial Interchange) is the first stack interchange in the world. [1] Completed in 1949 and fully opened in 1953 at the northern edge of Downtown Los Angeles, California, United States, it connects U.S. Route 101 (Hollywood Freeway and Santa Ana Freeway) to State Route 110 (Harbor Freeway and Arroyo Seco Parkway).