SR-241/SR-133 Multi Asset Project
Summary
SCH Number
2026050820
Lead Agency
California Department of Transportation, District 12
(DOT)
Document Title
SR-241/SR-133 Multi Asset Project
Document Type
MND - Mitigated Negative Declaration
Received
Present Land Use
Transportation
Document Description
The California Department of Transportation (Caltrans) District 12 proposes a multi-asset project in various cities in Orange County along State Route 241 (SR-241) from 0.7 mile north of Oso Parkway Overcrossing (PM 15.1) to 0.4 mile north of the State Route 133 (SR-133) Interchange (PM 27.8) and on SR-133 from 0.2 mile north of Portola Parkway (PM 12.8) to Bee Canyon Access Road (PM 13.6) (see Figure 1-1, Project Location Map).
This multi-asset project proposes the following improvements: pavement preservation, drainage system restoration, lighting rehabilitation, roadside rehabilitation/roadway protective betterments, safety and mobility improvements, and complete street upgrades.
Contact Information
Name
Sunny Saroa
Agency Name
Caltrans - District 12
Job Title
Associate Environmental Planner
Contact Types
Lead/Public Agency / Project Applicant
Phone
Email
Location
Coordinates
Cities
Irvine, Lake Forest, Mission Viejo, Rancho Santa Margarita, Unincorporated Orange County
Counties
Orange
Regions
Southern California
Cross Streets
Route 241 from 0.7 mile north of Oso Parkway Overcrossing to 0.4 mile north of the Route 133 Int
Zip
See below
Total Acres
106.56
State Highways
SR-133 and SR-241
Schools
See below
Waterways
See below
Base
SBBM
Other Location Info
Zip Codes: 92610, 92618, 92620, 92630, 92679, 92688
Waterways: Rattlesnake Reservoir, Siphon Reservoir, Hicks Canyon Wash, Bee Canyon Wash, Agua Chinon Wash, Borrego Canyon Wash, Serrano Creek, Aliso Creek, Oso Creek, Upper Oso Reservoir, Lake Mission Viejo, Trabuco Creek, Lago Santa Margarita Park, and Portola Reservoir.
Schools: Lake Forest Elementary, Tijeras Creek Elementary, Cielo Vista Elementary, Rancho Santa Margarita Intermediate, Arroyo Vista Elementary, Arroyo Vista Middle, Del Lago Elementary, Robinson Elementary, Trabuco Mesa Elementary, Trabuco Hills High, Stonegate Elementary, Portola Hills Elementary, Loma Ridge Elementary, Portola Springs Elementary, Trabuco Elementary, Melinda Heights Elementary, and Foothill Ranch Elementary.
Townships and Ranges: T05S R08W, T06S R07W, T07S R07W
Notice of Completion
State Review Period Start
State Review Period End
State Reviewing Agencies
California Air Resources Board (ARB), California Department of Conservation (DOC), California Department of Fish and Wildlife, South Coast Region 5 (CDFW), California Department of Forestry and Fire Protection (CAL FIRE), California Department of Parks and Recreation, California Department of Toxic Substances Control (DTSC), California Department of Transportation, District 12 (DOT), California Department of Transportation, Division of Transportation Planning (DOT), California Department of Water Resources (DWR), California Fish and Game Commission (CDFGC), California Governor's Office of Emergency Services (OES), California Highway Patrol (CHP), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Public Utilities Commission (CPUC), California Regional Water Quality Control Board, Santa Ana Region 8 (RWQCB), California State Coastal Conservancy (SCC), California Transportation Commission (CATC), Colorado River Board, Department of General Services (DGS), Office of Historic Preservation, State Water Resources Control Board, Division of Drinking Water, State Water Resources Control Board, Division of Water Quality, State Water Resources Control Board, Division of Water Rights, State Water Resources Control Board, Divison of Financial Assistance
Development Types
Transportation:Highway/Freeway (Roadway Rehabilitation and Safety Improvements)
Local Actions
Roadway Rehabilitation and Safety Improvements
Project Issues
Aesthetics, Agriculture and Forestry Resources, Air Quality, Biological Resources, Cultural Resources, Cumulative Effects, Drainage/Absorption, Economics/Jobs, Energy, Fiscal Impacts, Flood Plain/Flooding, Geology/Soils, Greenhouse Gas Emissions, Growth Inducement, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Mandatory Findings of Significance, Mineral Resources, Noise, Population/Housing, Public Services, Recreation, Schools/Universities, Transportation, Tribal Cultural Resources, Utilities/Service Systems, Vegetation, Wetland/Riparian, Wildfire, Climate Change, Energy, Wildfire
Public Review Period Start
Public Review Period End
Attachments
Draft Environmental Document [Draft IS, NOI_NOA_Public notices, OPR Summary Form, Appx,]
Notice of Completion [NOC] Transmittal form
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