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The first stack interchange was the Four Level Interchange (renamed the Bill Keene Memorial Interchange), built in Los Angeles, California, and completed in 1949, at the junction of US Route 101 (US 101) and State Route 110 (SR 110). [2]
The first stack interchange in the world was the Four Level Interchange (renamed the Bill Keene Memorial Interchange), built in Los Angeles, California, and completed in 1949, at the junction of U.S. Route 101 and State Route 110. [3]
There are some stacks that could be considered 5-level; however, these remain four-way interchanges, since the fifth level actually consists of dedicated ramps for HOV/bus lanes or frontage roads running through the interchange. The stack interchange between I-10 and I-405 in Los Angeles is a 3-level stack, since the semi-directional ramps are ...
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).
The centerpiece of the system was the Four Level Interchange just north of downtown Los Angeles, the first stack interchange in the world. Although it was completed in 1949, the structure was not fully used until September 22, 1953, when the short extension of the Arroyo Seco Parkway to the interchange opened.
This category comprises road interchanges in California. Pages in category "Road interchanges in California" The following 14 pages are in this category, out of 14 total.
Originally planning for the Blue Ridge Road interchange began in 2000 with a design evaluation. ... Home sales in 2024 fell to the lowest level in nearly 30 years as prices, and mortgag ...
The Judge Harry Pregerson Interchange is a five-level stack interchange near the Athens and Watts communities of Los Angeles, California. It is the interchange of the following routes: I-105 (Glenn M. Anderson Freeway) – El Segundo, LAX Airport, Norwalk; I-110 (Harbor Freeway) – San Pedro, Los Angeles; The interchange permits traffic ...