Fairfax-Bolinas Road in West Marin at milepost 5.73 (approximately 2 miles west of Azalea Hill) is single-lane access with two-way traffic controlled through one lane. This condition is at the construction zone only and will remain in place until project is completed. See project webpage for more details. Thank you for your patience while this project progresses.

Marin County Jail – Ventilation Upgrade



The Marin County Jail needs ventilation upgrades to meet current code. This project provides design to ensure sufficient air exchange.


The $575,000 project is funded under the Capital Improvement Program.

Public impacts



Winter 2022/23

  • Design phase

Summer/Fall 2024

  • Anticipated start of construction phase
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