Beginning March 17, 2025, the construction closure list will no longer be posted. However, closure information is available on the Caltrans Planned Lane Closures website: https://lcswebreports.dot.ca.gov/searchdistricts?district=12 For questions about remaining activities, contact the Community Outreach Team at I5SouthCounty@octa.net.
⚠️ As of Monday, March 31, 2025, the I-5 South Improvement Project helpline will no longer be available. If you need to reach the Community Outreach Team, please email I-5SouthCounty@octa.net or call (800) 724-0353.
I-5 South County Improvements Project
I-5 South County Improvements Project
6.5 miles
Mission Viejo, Lake Forest, Laguna Hills, Laguna Niguel
$664 million
Mid-2019 to Early 2025
Project Improvements
For more information on each area, select an image below.
Contact the I-5 South County Improvements Project Outreach Team
If you have questions, please contact the Outreach Team by calling (949) 614-0202 or email i5SouthCounty@octa.net.
Para obtener más información sobre el proyecto, llame al (949) 614-0202 o envíe un correo electrónico a i5SouthCounty@octa.net.
Project Partners
