South County Traffic Relief Effort


SCH Number
Lead Agency
Caltrans, District 12 - Orange (California Department of Transportation, District 12)
Document Title
South County Traffic Relief Effort
Document Type
NOP - Notice of Preparation
Present Land Use

Document Description
The Department of Transportation (Caltrans) District 12, in cooperation with the Foothill/Eastern Transportation Corridor Agency (F/ETCA), proposes to materially improve north-south regional mobility and accommodate regional travel demand in South Orange County. The proposed improvements include: the extension of the tolled SR 241 lanes to I-5, the extension of Crown Valley Parkway to SR 241, new connections between Ortega Highway, Antonio Parkway, Avery Parkway, and State Route 73 (SR 73), new general-purpose lanes on I-5, new managed lanes on I-5, or combinations of these preliminary alternatives.

Contact Information
Charles Baker
California Department of Transportation, District 12
1750 East 4th Street, Suite 100
Santa Ana, CA 92705

Phone : (657) 328-6000


Rancho Santa Margarita San Clemente
Orange San Diego
Cross Streets
Parcel #
State Highways
241, 5, 73, 74
San Juan Creek, Prima Deschecha Canada, Others

Notice of Completion

Review Period Start
Review Period End
Development Type
Transportation (Highway/Tollway)
Project Issues
Aesthetic/Visual Agricultural Land Air Quality Archaeologic-Historic Biological Resources Coastal Zone 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 Sewer Capacity Soil Erosion/Compaction/Grading Solid Waste Toxic/Hazardous Traffic/Circulation Vegetation Water Quality Water Supply Wetland/Riparian Growth Inducing Land Use Cumulative Effects
Reviewing Agencies
California Air Resources Board California Coastal Commission California Department of Boating and Waterways California Department of Conservation California Department of Forestry and Fire Protection California Department of Parks and Recreation California Department of Resources Recycling and Recovery California Department of Transportation, District 11 California Department of Transportation, District 12 California Department of Water Resources California Energy Commission California Governor's Office of Emergency Services California Highway Patrol California Natural Resources Agency California Public Utilities Commission California Regional Water Quality Control Board, San Diego Region 9 California Regional Water Quality Control Board, Santa Ana Region 8 California State Lands Commission Department of General Services Department of Toxic Substances Control Office of Historic Preservation State Water Resources Control Board, Division of Water Quality California Native American Heritage Commission California Department of Fish and Wildlife, South Coast Region 5


Environmental Document
2019110190 Memo   PDF 535 K NOP   PDF 2116 K Preliminary Scoping Report   PDF 6243 K Public Scoping Notice   PDF 1911 K
Letter   PDF 76 K NOC   PDF 981 K
State Comments
2019110190_CDFW_pdf South County Traffic Relief Effort Project NOP   PDF 3404 K 2019110190_NAHC_NOP South County Traffic Relief Effort Project 11-14-2019   PDF 167 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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