On weekdays, Fairfax-Bolinas Road in West Marin is closed from Azalea Hill to Ridgecrest. On weekends, the road will be open, but traffic will be routed through a single-lane with controlled two-way access at milepost 5.73. See project webpage for details. Thank you for your patience while these projects progress.

Guardrail Replacement Project and Panoramic Highway MP 2.26 Slide Repair

This is a completed project. You are in the Archived Projects section of the website. Active projects can be found on the Projects webpage.

Description

Overview

The project had 2 components: 1) replacement of specific guardrails across the county that were identified as no longer meeting current design standards, and 2) the construction of a retaining wall on Panoramic Highway at milepost 2.26. Approximately 4,825 total feet of guardrails were removed and replaced, and two retaining walls totaling about 300 linear feet were implemented. A portion of the retaining wall addressed a slide that occurred during a storm in October 2021 and the rest is to support the roadway shoulder and to meet design standards for the new guardrail at the location.

Funding

The approximately $2,554,000 million project was 91% funded by state/federal grants and the remaining 9% share cost was funded by the County’s Road & Bridge Fund. Every year, Caltrans provides state funds to local agencies for safety improvement projects such as this one. This project was funded in part as a Cycle 9 Highway Safety Improvement Project (HSIP).

Traffic Impacts

During February and March (perhaps longer depending on weather impacts to the work schedule), Panoramic Highway at milepost 2.26 was temporarily reduced to a single lane of travel to accommodate construction of the retaining wall. The alternating direction of travel was controlled by a temporary traffic signal with delays of 5 to 10 minutes.

Timeline

October 2021

  • Storm caused a slide on Panoramic Highway milepost 2.26

September 2023

  • Contract awarded for project

October 2023

  • Work begins on project

November 2023

  • Construction begins

Spring 2024

  • Single lane with alternating direction traffic control through construction zone at milepost 2.26, controlled by temporary traffic signal.

August 2024

  • Project completed
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