Interstate 5 Widening Project (Segment 3)

7 Documents in Project


SCH Number
Lead Agency
Caltrans 12 (Santa Ana) (California Department of Transportation, District 12)
Document Title
Interstate 5 Widening Project (Segment 3)
Document Type
NOD - Notice of Determination

Document Description
This proposed project involves adding general-purpose lanes in each direction on 1-5, including widening the bridge at Aliso Creek and replacing in kind two concrete channels located adjacent to the 1-5 northbound exit to El Toro Road. The Project will result in impacts including temporary impacts to 0.273 acre of streambed and 0.001 acre herbaceous riparian vegetation; and permanent impacts to 0.251 acre of streambed including 0.101 acre of earthen bottom.

Contact Information
Simona Altman
Department of Fish and Wildlife (CDFW) South Coast Region (R5)
3883 Ruffin Road
San Diego, CA 92123

Phone : (858) 467-4283


Other Location Info
The project is located on Interstate 5 (I-5) from State Route 73 to El Toro Road, in the County of Orange.

Notice of Determination

Approving Agency
Approving Agency Role
Responsible Agency
Approved On
Final Environmental Document Available at
The Mitigated Negative Declaration prepared by the lead agency for the Project is available to the general public at the office location listed above for the lead agency. CDFWs administrative record of proceedings related to the streambed alteration agreement is available to the public for review at CDFWs regional office.


(1) The project will have a significant impact on the environment
(2a) An Environmental Impact Report was prepared for this project pursuant to the provisions of CEQA
(2b) A Mitigated or a Negative Declaration was prepared for this project pursuant to the provisions of CEQA
(2c) An other document type was prepared for this project pursuant to the provisions of CEQA
(3) Mitigated measures were made a condition of the approval of the project
(4) A mitigation reporting or monitoring plan was adopted for this project
(5) A Statement of Overriding Considerations was adopted for this project
(6) Findings were made pursuant to the provisions of CEQA


Notice of Determination
2013091026_001   PDF 103 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 or via phone at (916) 445-0613. For more information, please visit OPR’s Accessibility Site.

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