I-5/El Toro Road Interchange Project

1 Documents in Project


SCH Number
Lead Agency
Caltrans 12 (Santa Ana) (California Department of Transportation, District 12)
Document Title
I-5/El Toro Road Interchange Project
Document Type
MND - Mitigated Negative Declaration
Project Applicant
Gabriela Duran, Caltrans District 12
Present Land Use
Residential, recreational, commercial, and educational

Document Description
Note: Review Extended Per Lead Two Build Alternatives (including Design Option B} and the No Build Alternative are being considered (Alternative 2 - Flyover and Alternative 4 - Southbound Collector Distributor and Hook Ramps [includes Design Opt ion BJ). The Build Alternatives are in Orange County at the 1-5/EI Toro Road Interchange wit h in the cities of Laguna Hills, Lake Forest, and Laguna Woods. The project limits extend from 0.1 mile south of Los Alisos Boulevard Overcrossing (PM 17.8) to 0.4 mile north of Ridge Route Drive (PM 19.7), and on El Toro Road from Rockfield Bouleva rd to Paseo De Valencia. The total length of the project limits is 1.9 miles. The purpose of the proposed project is to improve traffic flow and traffic signal optimization, to reduce traffic congestion at and through adjacent local street intersections, and to reduce freeway ramp queuing.

Contact Information
Gabriela Duran
California Department of Transportation District 12
1750 E 4th St #100
Santa Ana, CA 92705

Phone : (657) 328-6157


33°36'52.4"N 117°42'28.7"W
Laguna Hills Laguna Woods Lake Forest
Cross Streets
Interstate 5 and El Toro Road
Total Acres
Parcel #
State Highways
Multiple (3)
Aliso Creek

Notice of Completion

Review Period Start
Review Period End
Development Type
Transportation (Interchange improvement)
Project Issues
Aesthetic/Visual Agricultural Land Air Quality Archaeologic-Historic Biological Resources Drainage/Absorption Economics/Jobs Fiscal Impacts Flood Plain/Flooding Forest Land/Fire Hazard Geologic/Seismic Minerals Noise Population/Housing Balance Public Services Recreation/Parks Schools/Universities Soil Erosion/Compaction/Grading Toxic/Hazardous Traffic/Circulation Vegetation Water Quality Water Supply Wetland/Riparian Growth Inducing Land Use Cumulative Effects
Reviewing Agencies
Air Resources Board California Department of Parks and Recreation California Energy Commission California Highway Patrol California Native American Heritage Commission California Public Utilities Commission California Regional Water Quality Control Board, Santa Ana Region 8 Department of Toxic Substances Control Department of Water Resources Office of Historic Preservation Resources Agency State Water Resources Control Board, Division of Water Quality California Department of Fish and Wildlife, South Coast Region 5


Environmental Document
1   PDF 1139 K 2   PDF 891 K 2   PDF 109 K 2   PDF 130 K 2   PDF 6703 K 2   PDF 850 K 2   PDF 137 K 2   PDF 121 K 2   PDF 511 K 2   PDF 150 K 2   PDF 138 K 2   PDF 7172 K 2   PDF 320 K 2   PDF 170 K 2   PDF 5760 K 2   PDF 2294 K 2   PDF 104 K 3   PDF 731 K 4   PDF 3155 K 5   PDF 96 K 6   PDF 112 K Appendix A - Section 4(f)   PDF 1135 K Appendix B Title VI   PDF 103 K Appendix C Summary of Relocation Benefits   PDF 112 K Appendix D - RTP-FTIP   PDF 374 K Appendix E ECR   PDF 282 K Appendix F List of Technical Studies   PDF 79 K Appendix G - References   PDF 84 K Appendix H - Layout Plans   PDF 3974 K Appendix I - Design Risks Risk Assessment   PDF 136 K Appendix J - TMP   PDF 2359 K Appendix K - Const Emissions   PDF 266 K Cover page front matter   PDF 692 K extend   PDF 185 K extension memo   PDF 20 K Master TOC   PDF 146 K Summary Form   PDF 151 K
NOC   PDF 591 K
State Comments
2019049006 cdfw   PDF 1037 K

Disclaimer: The Governor’s Office of Planning and Research (OPR) accepts no responsibility for the content or accessibility of these documents. To obtain an attachment in a different format, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at state.clearinghouse@opr.ca.gov or via phone at (916) 445-0613. For more information, please visit OPR’s Accessibility Site.

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