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PRESS RELEASE. From Caltrans on June 10th, 2026.
Caltrans Quick Travel Alert Map
Caltrans District 4 Current Projects
Caltrans District 4 Environmental Project Documents by County.
Caltrans is proceeding with the major Multi-Asset Roadway Rehabilitation Project along Highway 1, extending from Moss Beach through Half Moon Bay. This extensive two-year project will upgrade critical roadway infrastructure, enhance safety, and improve access for all users traveling the coast.
We strongly encourage you to sign up for Caltrans’ periodic email notifications about this project.
SAN MATEO COUNTY ― Caltrans has scheduled paving work on Frontage Road along State Route 1 (SR-1) in Half Moon Bay on:
- Monday, June 15th and Tuesday, June 16th, 2026
- 8:00 a.m. to 5:00 p.m.
- Frontage Road between Wave Ave and Farmer John’s Pumpkin Farm
Construction activities will require the use of heavy equipment and crews will implement temporary traffic control measures.
Driveway Access
Residents on Frontage Road will not be able to access their driveways on Monday, June 15 from 8 a.m. to 5 p.m. Residents may contact Roberto Rodriguez at (510) 359-3994 with questions concerning driveway access. Driveways will be accessible after 5 p.m. as well as on Tuesday, June 16.
Parking Information
To facilitate paving operations and ensure the safety of residents, motorists, and construction personnel, parking will be prohibited along Frontage Road within the designated construction limits during work hours on both June 15 and 16. Temporary “No Parking” signs will be posted in advance of construction activities. Vehicles parked within the work zone may impede construction operations and create unsafe conditions. Residents and visitors are encouraged to relocate their vehicles prior to the start of work each day and use alternate parking locations outside the construction zone. Any vehicles remaining in posted no-parking areas during scheduled work hours will be subject to towing at the owner’s expense.
Detour Information
Residents not on Frontage Rd will enter and exit the neighborhood through Kehoe Ave during work hours.
Caltrans thanks residents, motorists, and all users of the roadway for their patience and understanding while we perform this important paving work which will deliver a smoother and safer roadway for the entire community.
Known as the SR-1 Multi-Asset Roadway Rehabilitation Project, the $46.7M project encompasses upgrading assets (such as pavement, guardrails, curbs, and crosswalks) that are nearing the end their service lives. Assets will be brought up to ADA standards, and Class II bike lanes will be added to both the north- and south-bound sides of the roadway. The project will continue through the summer of 2027. To learn more, visit the project website.
