US 101 Managed Lanes Project

6 Documents in Project


SCH Number
Lead Agency
Caltrans 4 (Oakland) (California Department of Transportation, District 4)
Document Title
US 101 Managed Lanes Project
Document Type
EIR - Draft EIR

Document Description
Note: Review Per Lead Caltrans in cooperation with the San Mateo County Transportation Authority and the City/County Association of Governments of San Mateo County, is considering improvements to US 101 in San Mateo County, including converting existing High Occupancy Vehicle lanes to Express Lanes between Whipple Avenue and Santa Clara County, and the addition of new Express Lanes on US 101 between Whipple Avenue to the I-380 interchange in San Mateo County. Specifically, the project would convert the existing single HOV lane in each direction to a single express lane from approx San Antonio Road in Palo Alto, Santa Clara County to Whipple Ave in Redwood City, San Mateo County. The project would also add a new express lane in each direction from Whipple Ave to approx the I-380 interchange in South San Francisco. This would create a total of approx 22 miles of express lanes. The project limits include allowance for the installation for the installation of new overhead tolling system signage beginning approx one mile in advance of the start of the managed lanes in each direction of US 101.

Contact Information
Yolanda Rivas
California Department of Transportation, District 4
111 Grand Avenue, MS 8B
Oakland, CA 94612

(510) 286-6216


San Mateo Santa Clara
Cross Streets
Parcel #
primarily state right of way
State Highways
101, 380, 84, 92
SFO International, San Carlos
San Fracisquito Ck, Redwood Ck, Pulgas Ck, and others
Other Location Info
Various cities

Notice of Completion

Review Period Start
Review Period End
Development Type
Transportation:Highway/Freeway (US 101 HOV/HOT Lanes)
Project Issues
Air Quality Archaeologic-Historic Biological Resources Drainage/Absorption Economics/Jobs Flood Plain/Flooding Geologic/Seismic Noise Population/Housing Balance Public Services Recreation/Parks Schools/Universities Soil Erosion/Compaction/Grading Toxic/Hazardous Traffic/Circulation Vegetation Water Quality Water Supply Wetland/Riparian Growth Inducing Land Use Cumulative Effects Other Issues Other Issues: GHG
Reviewing Agencies
Air Resources Board, Transportation Projects California Department of Parks and Recreation California Highway Patrol California Public Utilities Commission Caltrans, Division of Aeronautics Department of Fish and Wildlife, Region 3 Department of Water Resources Native American Heritage Commission Regional Water Quality Control Board, Region 2 Resources Agency
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