This project proposes the construction of a new exit ramp from the northbound I-405 distributor road between Fairview Road and Harbor Boulevard, connecting to Susan Street in Costa Mesa. The project would improve local access and traffic circulation by providing an alternative access point to the existing street network, reduce overall impacts to key arterials, and improve operational deficiencies and overall service levels at key intersections in the project area.
Aesthetics, Agriculture and Forestry Resources, Air Quality, Biological Resources, Cultural Resources, Cumulative Effects, Drainage/Absorption, Flood Plain/Flooding, Geology/Soils, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Mineral Resources, Noise, Public Services, Recreation, Transportation, Vegetation, Wetland/Riparian, Wildfire, Wildlife, Utilities
Air Resources Board, Transportation Projects, California Department of Fish and Wildlife, South Coast Region 5 (CDFW), California Department of Parks and Recreation, California Department of Transportation, District 12 (DOT), California Highway Patrol, California Public Utilities Commission (CPUC), California Regional Water Quality Control Board, Santa Ana Region 8 (RWQCB), California State Lands Commission (SLC), Department of Toxic Substances Control, Department of Water Resources, Office of Historic Preservation, Resources Agency, California Native American Heritage Commission (NAHC)
Reviewing Agency Comments
California Native American Heritage Commission (NAHC)
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