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I-5 (Avenida Pico to San Juan Creek Road)

I-5 (Avenida Pico to San Juan Creek Road)

This project was completed in 2018.

The completion of a new carpool lane and improvements to the Avenida Pico Interchange, the I-5 South County Improvements Project is complete.

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Project Overview

This 5.7 mile project, a partnership between OCTA and Caltrans, extended the carpool lane in each direction of I-5 from between its prior terminus in San Juan Capistrano and San Clemente. The project also reconstructed the Avenida Pico interchange, adding dual left-turn lanes to both on-ramps and widening the northbound on-ramp to three lanes.

Project Benefits

  • Added a carpool lane in both directions on I-5 between Avenida Pico and San Juan Creek Road

  • Improved the sight distance on the southbound horizontal curve north of PCH

  • Reconstructed the Avenida Pico interchange, including widening the northbound Avenida Pico on-ramp to three lanes

  • Provided dual left-turn lanes to northbound and southbound Avenida Pico on-ramps

  • Added a dedicated bicycle lane at Avenida Pico interchange to enhance countywide bicycle facilities

  • Added soundwalls where needed

At a Glance

affected cities
project cost
funding source
5.7 miles San Clemente, San Juan Capistrano, Dana Point $232.1 million OC Go, State and Federal funds