State Route 27 Slope Stabilization Project


SCH Number
Lead Agency
California Department of Transportation, District 7 (DOT)
Document Title
State Route 27 Slope Stabilization Project
Document Type
NOP - Notice of Preparation of a Draft EIR
Present Land Use
Semi-rural, residential, light commercial
Document Description
The California Department of Transportation (Caltrans) proposes to permanently restore and repair the existing slope and roadway on State Route 27 (SR-27) from Post Miles (PM) 1.00 to 1.13, in lower Topanga Canyon, within the Community of Topanga and Topanga State Park. The project, as currently proposed, consists of three (3) alternatives: Alternative 1 (Install Anchored Cable Mesh), Alternative 2 (Realign Roadway and Construct Bridge), and Alternative 3 (No Build Alternative).

Contact Information

Eduardo Aguilar
Agency Name
Caltrans District 7 - Division of Environmental Planning, Los Angeles/Ventura
Job Title
Senior Environmental Planner/Branch Chief
Contact Types
Lead/Public Agency


Los Angeles, Malibu
Los Angeles
Citywide, Countywide, Unincorporated
Cross Streets
1mi north of State Route 1 (Pacific Coast Highway) on State Route 27 (Topanga Canyon Boulevard)
State Highways
State Route 27, State Route 1
Topanga Creek

Notice of Completion

State Review Period Start
State Review Period End
Development Types
Transportation:Highway/Freeway (Existing Highway (State Route 27))
Local Actions
Use Permit, Coastal Permit
Project Issues
Aesthetics, Air Quality, Biological Resources, Coastal Zone, Cultural Resources, Cumulative Effects, Drainage/Absorption, Flood Plain/Flooding, Geology/Soils, Hazards & Hazardous Materials, Hydrology/Water Quality, Recreation, Transportation, Tribal Cultural Resources, Utilities/Service Systems, Vegetation
State Reviewing Agencies
California Air Resources Board (ARB), California Coastal Commission (CCC), California Department of Conservation (DOC), California Department of Fish and Wildlife, Marin Region 7 (CDFW), 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 Transportation, District 7 (DOT), California Department of Water Resources (DWR), California Highway Patrol (CHP), California Natural Resources Agency, California Regional Water Quality Control Board, Los Angeles Region 4 (RWQCB), California Santa Monica Mountains Conservancy (SMMC), California State Lands Commission (SLC), California Transportation Commission (CATC), Department of Toxic Substances Control, Office of Historic Preservation, Santa Monica Bay Restoration, State Water Resources Control Board, Division of Drinking Water, State Water Resources Control Board, Division of Water Quality, California Native American Heritage Commission (NAHC)
Reviewing Agency Comments
California Native American Heritage Commission (NAHC)


Draft Environmental Document [Draft IS, NOI_NOA_Public notices, OPR Summary Form, Appx,]
Notice of Completion [NOC] Transmittal form
State Comment Letters [Comments from state reviewing agencies]

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.

Download CSV Download All Attachments New Search Print