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I-5 South County Improvements Project

I-5 South County Improvements Project

OCTA, in cooperation with Caltrans, is improving I-5 between SR-73 and El Toro Road. The project will improve 6.5 miles of I-5 through Mission Viejo, Laguna Niguel, Laguna Hills, and Lake Forest. The project is anticipated to be complete in early 2025.

Construction Updates      

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Length

6.5 miles

Corridor Cities

Mission Viejo, Lake Forest, Laguna Hills, Laguna Niguel

Total estimated cost

$664 million

Schedule

Mid-2019 to Early 2025



Project Improvements


For more information on each area, select an image below.

Construction Closures and Detours

I-5 South County Detour Map
Nighttime Closures
Daytime Closure
Lane Reduction
Long-term Closure

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

california climate investments
cal trans
sb1
department of transportation
mission viejo
lake forest
laguna hills
laguna niquel
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