The OC Go freeway program includes 30 project segments that will relieve rush hour congestion and ease traffic flow on Orange County freeways. To date, 13 freeway segments have been completed and five more were under construction during 2022.
I-405 Improvement Project
This $2 billion project will improve 16 miles of the I‐405 in both directions between SR-73 and I-605 through the cities of Costa Mesa, Fountain Valley, Garden Grove, Huntington Beach, Los Alamitos, Seal Beach and Westminster. The project will add one general purpose lane in each direction between Euclid Street and I-605 and make improvements to freeway entrances, exits and bridges. Also, the project will add the 405 Express Lanes, incorporating the existing carpool lanes and a new lane in each direction between SR-73 and I-605. The general purpose lane portion of the project is funded by OC Go with a combination of local, state and federal funds. The 405 Express Lanes are separately funded and will be paid for by those who choose to pay a toll and use them.
During 2022, OCTA continued significant work on replacing and reconstructing street crossings with wider bridges along the project corridor. The Bolsa Chica Road (March 2022) and Heil Pedestrian Overcrossing (August 2022) bridges fully opened to traffic. In addition, the Fairview Road (May 2022) and Westminster Boulevard (August 2022) bridges were fully completed and opened to traffic. Of the 18 total bridge replacements, seven bridges are under construction and 11 have been completed.
As of December 2022, the project was more than 90 percent complete and is anticipated to be finished in late 2023.
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I-5 (SR-73 to El Toro Road) Improvement Project
From SR-73 to El Toro Road, OCTA and Caltrans are working together to implement the I-5 Improvement Project to address traffic volumes, which are anticipated to increase 25 percent by 2045.
Located adjacent to the cities of Laguna Hills, Laguna Niguel, Lake Forest and Mission Viejo, the $577 million freeway improvement project is being built in three segments and includes numerous roadway, structural and operational improvements, as well as soundwalls. Construction on all three segments is underway, with the first segment anticipated to be completed in 2024.
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SR-55 (I-405 to I-5) Improvement Project
OCTA and Caltrans are improving four miles of SR-55 between I-405 and I-5 through the cities of Irvine, Santa Ana, and Tustin. This project will improve traffic flow and reduce travel time by adding one regular lane and one carpool lane in each direction, make improvements to several bridges, and add merge lanes between several interchanges. The $475.1 million project is funded with a combination of local, state, and federal funds.
Construction activities have begun and the project is anticipated to be completed in 2026.
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Next 10 Delivery Plan: 2022 Update
This comprehensive and balanced plan was developed to ensure that the promises made in the OC Go Investment Plan can continue to be delivered in concert with changes in economic conditions and revenue projections. In 2022, the Next 10 Delivery Plan review incorporated OCTA's strong revenue position and validated that OC Go can still be delivered consistent with the commitments to the voters. By 2030, nearly 90 percent of the total number of freeway projects (26 out of 30) will be delivered well in advance of 2041.
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