Orange County Transportation Authority

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Avenida Pico to San Juan Creek Road

South County I5

Project Description

This 5.7-mile project extends from Avenida Pico in San Clemente to San Juan Creek Road in San Juan Capistrano. The four-year, $249 million project will:

  • Add a carpool lane in both directions on I-5 between Avenida Pico and San Juan Creek Road
  • Improve the sight distance on the southbound horizontal curve north of PCH
  • Reconstruct the interchange at Avenida Pico, including widening the northbound Avenida Pico on-ramp to three lanes, and provide dual left-turn lanes to both northbound and southbound Avenida Pico on-ramps
  • Add soundwalls where needed

Weekly Closures

Nightly closures are plotted on a Google Map and includes specific closure times as well as recommended detours. Closures are updated in real time and can be accessed by clicking the image below or visiting This interactive map is easily accessible on your smart phone or you can bookmark the page on your computer and it allows you to see other local detour routes that may be convenient for your commute.

I-5 South County - Weekly Closures  

Google Detour Map Tutorial

Disclaimer: Please be advised this schedule is subject to change due to unforeseen operational factors or inclement weather.

Text Message Alerts

Sign up today to receive text message alerts from the I-5 South County Improvement Project! Text SOUTHOC5INFO to 67076 to begin receiving weekly text message alerts with important closure and detour information. Your safety is our number one priority – please do not text and drive!

For additional information or questions, email or call (800)724-0353

Rates and Fees
Standard text messaging fees and rates will apply per your current contract with your wireless carrier.

Messaging Frequency
OCTA will send weekly text message alerts to opted-in subscribers containing closure and detour information for the I-5 South County Improvement Project. Special alerts will also be sent to inform subscribers of emergency and long-term closures.

Opting Out
To opt out, simply reply STOP to any I-5 South County Improvement Project text message alert.

OCTA will use your phone number solely for I-5 South County Improvement Project text message alerts. Your information will not be sold or used for any other purpose.



This $249 million project is funded in part by Measure M2, Orange County's half-cent sales transportation tax. In addition, OCTA is funding the work with a combination of Measure M2 local sales tax and state and federal funding.

Soundwalls and Retaining Walls

San Clemente Soundwalls Dana Point/San Juan Soundwalls/ Retaining Walls Soundwall Information 101

Avenida Pico Interchange

Community Outreach

In an effort to keep our residents, businesses and community leaders informed, we are actively meeting with key groups, homeowner associations and businesses in the area.

We know your time is limited, so let us come to you! Our team will share important updates regarding construction activities, road closures and detours.

If you are interested in an I-5 South presentation for your group, please contact us at (800) 724-0353 or

Or sign up to receive our construction alerts here.


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