I-405 (I-5 to SR-55)
Interstate 405, also known as the San Diego Freeway, consists of 24 miles in Orange County and 48 miles in Los Angeles County. It serves as bypass route to I-5, and is a major local, regional and interregional travel route. The I-405 freeway also provides indirect and direct access to employment centers, recreational attractions, shopping malls, medical centers, universities, airports, and other land uses. Between I-5 and SR-55 and within the project limits, this segment of I-405 services the communities of southern Orange County, including the cities of Irvine and Costa Mesa.Currently, the I-405 freeway between I-5 and SR-55 is experiencing congestion and long traffic delays during peak traffic periods due to traffic demand exceeding capacity.
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