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101 / Woodside Interchange

101-Woodside project area(click here or on map for full size pdf)

Latest News

We want your input about the Project and environmental issues!
Please submit comments and questions by December 20, 2014 to the Caltrans contact highlighted below.

The Scoping period for the environmental document was launched on November 20, 2014 at the Public Scoping Meeting and Open House, and will conclude December 20, 2014. We are grateful to 30-plus community members that attended the event, which showcased the Project in the context of the environmental analysis and documentation work now beginning. The open house portion of the meeting allowed attendees to "zoom in" on promising improvement concepts and discuss observations and concerns with the Project Team. Check back soon for additional information from the meeting.

Caltrans will prepare a draft Initial Study/Environmental Assessment (IS/EA) to evaluate the effects of the project. We are seeking the views of the community regarding issues and information to be addressed in the IS/EA, including but not limited to the following:

  • Purpose of and need for the project
  • Project alternatives
  • Environmental issues that should be studied
  • Ways to avoid, minimize, or mitigate potential environmental impacts.

Please send your comments to:

Yolanda Rivas
Caltrans Office of Environmental Analysis
P.O. Box 23660, Oakland, CA, 94623-0660

Comments will be accepted through December 20, 2014.

Click here for the current Fact Sheet.

Thank you again for your support!

Click here if you would like to sign up to receive eNews updates about the 101/Woodside Interchange project.

Project Overview
The City of Redwood City, in cooperation with the California Department of Transportation and the San Mateo County Transportation Authority, is proposing to reconstruct the Route 101/84 (Woodside Road) interchange. The purpose of the project is to relieve existing and future traffic congestion, and to improve traffic safety and vehicular access to and from Route 101 and SR 84 (Woodside Road). The goals include improving highway operations, reducing associated congestion on Redwood City streets, removing barriers to non-motorized travel, and minimizing impacts on nearby businesses. The project proposes to modify the on- and off-ramp configuration at the interchange and adjacent local intersections to improve traffic flow, increase safety, and better accommodate pedestrian and bicycle access across Route 101.

The City hired a consultant team led by URS to conduct the Project Approval & Environmental Document (PA & ED) phase of the project. This two-year phase began in late 2013 and includes data gathering and mapping, development and implementation of a community outreach process, traffic analysis of existing and future conditions, definition and evaluation of geometric improvement alternatives, environmental analysis and documentation, and development of a project report.

Community Engagement
The two-year-long community engagement and visioning process will provide both high tech (website, email lists, and other social media) and high touch (one-on-one engagement, small group meetings, large group workshops, and public hearings) opportunities for all interested parties to be informed and involved in the development of project alternatives.

Current Project Information

Previous Studies

Project Manager
Paul Krupka, P.E.
Transportation Engineer






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