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.

Prohibited vehicles and tires 

  • No vehicle shall be moved or operated upon a county highway having corrugations on the periphery of the movable tracks on a track engine or tractor the propulsive power of which is not exerted through wheels resting upon the roadway but by means of a flexible band or chain.  
  • No tire on any vehicle shall have on its periphery any block, stud, flange, cleat, ridge, bead, or any protuberance of metal or wood which projects beyond the tread of the track surface of the tire. 

For more details see Marin County Code Section 13.08.010.

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