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I-405 CONSTRUCTION
Why are improvements needed on I-405?
The I-405 freeway experiences heavy traffic congestion and conditions are expected to worsen. Built in the 1960s, the freeway carries between 257,000 and 370,000 vehicles per day depending on location. Near the L.A. County line, the I-405 is the most heavily traveled freeway in the nation, and both the regular lanes and carpool lanes