Highway 1 Auxiliary Lanes -- State Park Drive to Bay Avenue/Porter Street

Please see below or click here for a recording of the Virtual Public Meeting that was held on December 8, 2020.

Project Description 

The California Department of Transportation (Caltrans), in association with the Santa Cruz County Regional Transportation Commission (SCCRTC), the County of Santa Cruz, and the City of Capitola, proposes to widen State Route 1 to include auxiliary lanes and to accommodate bus-on-shoulder (BOS) operations between the State Park Drive and Bay Avenue/Porter Street interchanges, replace the Capitola Avenue overcrossing, and construct a new pedestrian and bicycle overcrossing at Mar Vista Drive. The project is subject to federal and state environmental review requirements. Caltrans, as assigned by the Federal Highway Administration (FHWA), is the lead agency under the National Environmental Policy Act. Caltrans is the lead agency under California Environmental Quality Act.

project location map

Project Benefits


  • Reduce congestion along State Route 1 through the project limits.
  • Promote the use of alternative transportation modes by increasing transportation system capacity and reliability.
  • Enhance pedestrian and bicycle connectivity, including access across State Route 1 within the project limits.
  • Replace the Capitola Avenue overcrossing to accommodate a wider freeway (State Route 1) and pedestrian and bicycle traffic, provide adequate vertical clearance, and update the structure to meet current standards.


  • Address capacity and transportation demand issues on the State Route 1 corridor in the project area.
  • Address roadway deficiencies on the Capitola Avenue overcrossing.
  • Improve the limited opportunities for pedestrians and bicyclists to safely navigate State Route 1 in the project corridor.

Estimated Funding Breakdown

  • Construction Cost: $65,000,000


Proposed Project Schedule

  • Final Environmental Document completed: May 2021

  • Right-of-way acquisition to be completed: August 2022

  • Design to be completed: March 2022

  • Advertise: November 2022

  • Construction to begin: March 2023

  • Construction to be completed: December 2025


District 5 Public Affairs
50 Higuera Street
San Luis Obispo, CA 93401
Phone: (805) 549-3318
Email: info-d5@dot.ca.gov


The Final Environmental Impact Report/Environmental Assessment with Finding of No Significant impact was certified on May 10, 2021.

Virtual Public Meeting

A public hearing was held online on December 8, 2020, from 5:00 p.m. to 6:30 p.m. To view a recording of the meeting, please visit https://sccrtc.org/projects/streets-highways/hwy1corridor/bayporter-statepark/.

Title VI

Below you will find a survey that asks about your race, gender, and nationality. The survey is completely voluntary. Caltrans is collecting these surveys for the following reasons:

  • The Federal Highway Administration, will not fund or replicate ineffective programs. Without the data, we (Caltrans) cannot prove any program’s usefulness.
  • Racial and ethnic data collected from this survey allow us to assess whether or not Caltrans is meeting its goal to be an inclusive department.
  • Caltrans will compile the data received and enter the data in our system within 7 days 

If you have any questions regarding the survey, please contact the Office of Civil Rights at 916-324-8379 or Title.VI@dot.ca.gov
We thank you for your participation.