California Department of Transportation, District 7
I-10 ExpressLanes Extension Project
NOP - Notice of Preparation of a Draft EIR
Present Land Use
The Los Angeles County Metropolitan Transportation Authority (Metro), in cooperation with the California Department of Transportation (Caltrans) District 7 (D7) proposes to address High Occupancy Vehicle (HOV) degradation, improve mobility, provide multi-modal travel options, and address the ExpressLane gap on I-10 between I-605 and Los Angeles/San Bernardino County Line through the conversion of the existing HOV lane into a High Occupancy Toll Lane (HOT)/ExpressLane lane with the possible addition of a second ExpressLane or HOV lane in each direction.
Caltrans will prepare an Environmental Impact Report (EIR) and Environmental Assessment (EA) for the proposed project which will assess the following proposed alternatives: 1) no build; 2) the conversion of the existing HOV lane into an ExpressLane/HOT lane in each direction; 3) the conversion of the existing HOV lane to dual ExpressLanes/HOT lanes in each direction, or 4) the addition of a second HOV lane to the existing single HOV lane in each direction.
Baldwin Park, Claremont, Covina, El Monte, Industry, Los Angeles, Montclair, Pomona, San Dimas, Walnut, West Covina
Los Angeles, San Bernardino
Citywide, Countywide, Southern California
I-605, SR-39, SR-57, SR-71
MetroLink, Union Pacific, BNSF
SGV Airport, SCE Rosemead
San Gabriel River, Big Dalton Wash, Charter Oak Creek, Walnut Creek, Thompson Wash
Other Location Info
Interstate 10 from Valley Boulevard to LA/SBD County Line (postmiles 28.9/48.3)
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 Transportation, District 7 (DOT), California Department of Transportation, Division of Aeronautics (DOT), California Department of Transportation, Division of Transportation Planning (DOT), California Department of Water Resources (DWR), California Highway Patrol (CHP), California Natural Resources Agency, California Public Utilities Commission (CPUC), California Regional Water Quality Control Board, Los Angeles Region 4 (RWQCB), California State Lands Commission (SLC), California Transportation Commission (CATC), Department of Toxic Substances Control, Office of Historic Preservation, San Gabriel and Lower Los Angeles Rivers and Mountains Conservancy (RMC), State Water Resources Control Board, Division of Drinking Water, State Water Resources Control Board, Division of Water Quality, California Native American Heritage Commission (NAHC)
State Reviewing Agency Comments
California Native American Heritage Commission (NAHC)
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