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  2. 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).

  3. Sepulveda Transit Corridor - Wikipedia

    en.wikipedia.org/wiki/Sepulveda_Transit_Corridor

    The Sepulveda Transit Corridor is a two-phased planned transit corridor in Los Angeles, California. Its first phase aims to connect the San Fernando Valley to the Los Angeles Basin through the Sepulveda Pass. A second phase would further extend the line southwards to connect with Los Angeles International Airport. The corridor is intended to ...

  4. Level of service (transportation) - Wikipedia

    en.wikipedia.org/wiki/Level_of_service...

    Level of service (LOS) is a qualitative measure used to relate the quality of motor vehicle traffic service. LOS is used to analyze roadways and intersections by categorizing traffic flow and assigning quality levels of traffic based on performance measure like vehicle speed, density, congestion, etc.

  5. Transportation in Los Angeles - Wikipedia

    en.wikipedia.org/wiki/Transportation_in_Los_Angeles

    Los Angeles has synchronized its traffic lights. [11] [12] [13] The mean travel time for commuters in Los Angeles is shorter than other major cities, including New York City, Philadelphia and Chicago. Los Angeles' mean travel time for work commutes in 2006 was 29.2 minutes, similar to those of San Francisco and Washington, DC. [14]

  6. Stack interchange - Wikipedia

    en.wikipedia.org/wiki/Stack_interchange

    The Judge Harry Pregerson Interchange in Los Angeles, California, United States. Sometimes a fifth level is added for HOV connectors. An example of this exists in Los Angeles, California, at the Judge Harry Pregerson Interchange. The connector from HOV southbound 110 to HOV westbound 105 can be at the same level as the connector from mixed ...

  7. Los Angeles Department of Transportation - Wikipedia

    en.wikipedia.org/wiki/Los_Angeles_Department_of...

    LADOT was created by city ordinance, and is run by a general manager appointed by the Mayor of Los Angeles, under the oversight of a citizens' commission also appointed by the mayor. LADOT is best known for providing public transportation to the City of Los Angeles. It currently operates the second-largest fleet in Los Angeles County next to ...

  8. Non-detection at traffic lights in the United States - Wikipedia

    en.wikipedia.org/wiki/Non-detection_at_traffic...

    When this occurs, the small vehicle may fail to receive the right of way when the traffic light controller skips their phase, such as at traffic lights that are programmed to remain green for the main street and to only service minor movements, such as the side street or a main street left turn lane, on an as-needed basis when there is demand.

  9. Transportation in Greater Los Angeles - Wikipedia

    en.wikipedia.org/wiki/Transportation_in_Greater...

    Amtrak has numerous railroad lines that connect Los Angeles to the rest of the country. People in Los Angeles rely on cars as the dominant mode of transportation, [1] but starting in 1990 Los Angeles Metro Rail has built over one hundred miles (160 km) of light and heavy rail serving more and more parts of Los Angeles.