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I-5 El Toro Road Interchange

I-5 El Toro Road Interchange

The Orange County Transportation Authority (OCTA), in partnership with California Department of Transportation (Caltrans), is studying potential alternatives to improve the Interstate 5 (I-5)/El Toro Road Interchange. OCTA and Caltrans are working closely with the cities of Lake Forest, Laguna Hills and Laguna Woods.

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(714) 560-5306 |

Project Overview

The project is in the environmental phase and the purpose of the project is to:

  • Improve traffic flow and optimize traffic signalization;

  • Reduce queuing at freeway on- and off-ramps; and

  • Reduce congestion at and through local street intersections.

Project Schedule


  • Development of Project Study Report resulting in 15 project alternatives

  • Four build alternatives were recommended for further study

2017 – 2019

  • Project Approval/Environmental Document (PA/ED) phase began

  • Design and right-of-way (ROW) workshops held between OCTA, Caltrans and the Cities of Laguna Hills, Lake Forest, and Laguna Woods resulting in two of four build alternatives being removed from further study

  • Public circulation and review of draft ED with two build alternatives presented

  • OCTA, Caltrans and the Cities meet to discuss proposed alternatives, other options, and next steps

2020 – Early 2022

  • OCTA began an Alternatives Assessment Study to look at potential additional alternatives in coordination with the Cities and Caltrans

  • October 2021 – Draft Final Alternatives Assessment Study completed

  • March 2022 – Meeting with the Cities and Caltrans to reach consensus on study alternatives to move forward

Mid-2022 – 2024

  • Potentially incorporate Alternative Assessment Study Alternatives into the environmental phase process

Project Alternatives

Project information coming soon.