Interstate 10 in California
Interstate 10 (I-10) is a transcontinental Interstate Highway in the United States, stretching from Santa Monica, California, to Jacksonville, Florida. The segment of I-10 in California, also known as the Pearl Harbor Memorial Highway,[4] runs east from Santa Monica through Los Angeles, San Bernardino, and Palm Springs before crossing into the state of Arizona. In the Greater Los Angeles area, it is known as the Santa Monica and San Bernardino freeways, linked by a short concurrency on I-5 (Golden State Freeway) at the East Los Angeles Interchange. I-10 also has parts designated as the Rosa Parks and Sonny Bono Memorial freeways.[5] Some parts were also formerly designated as the Christopher Columbus Transcontinental Highway.[6] However, the California State Legislature removed this designation following the passage of a bill on August 31, 2022.[7][8] I-10 is also known colloquially as "the 10" to Southern California residents .
This article is about the section of Interstate 10 in California. For the entire route, see Interstate 10.
Interstate 10
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Interstate 10
242.54 mi[1] (390.33 km)
Entire route
SR 1 in Santa Monica
I-10 / US 95 at Arizona state line in Ehrenberg, AZ
Express lanes[edit]
The El Monte Busway is a grade-separated, shared-use express bus and high-occupancy toll (HOT) corridor running along the San Bernardino Freeway between Alameda Street near Union Station in Downtown Los Angeles and a point west of I-605 in El Monte. From Alameda Street to I-710, the El Monte Busway runs parallel to the north side of the freeway. After the I-710 interchange, these lanes merge back to the median of I-10. Eastbound busses exit the HOT lanes at El Monte Station west of I-605. Each vehicle using the HOT lanes is required to carry a FasTrak Flex transponder, with its switch set to indicate the number of the vehicle's occupants (one, two, three, or more), regardless of whether they qualify for free.[25]
Plans are to extend the HOT lanes from I-605 to Ford Street in Redlands. This expansion is planned in four phases. As of 2022, the proposed segment in Los Angeles County between I-605 and the San Bernardino County line is under environmental review,[26] the segment in San Bernardino County between the county line and Etiwanda Avenue at the Ontario–Fontana city limit is scheduled to be completed in 2024, the section to Pepper Avenue in Colton is planned to break ground in 2024, and the segment to Ford Street in Redlands is still in the planning stage.[27]
Interstate 10 Spur to US 101
Interstate 10 Spur to US 101
There are three auxiliary Interstate Highways associated with I-10 in California:
One business loop of I-10 exists in California, running through Blythe in Riverside County.
