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Earlier editions: 2026-09

Title 10 — PARKS

Marin County Municipal Code Ch. 10.05 Vehicle and Traffic Regulations

Marin County Municipal Code · 2026-10 edition · updated 2026-10-04 · Marin County

Cite as: Marin County Municipal Code Chapter 10.05 · Text as of 2026-10-04

Footnotes:

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Editor's note— Ord. No. 3711, § II, adopted Sep. 24, 2019, amended Ch. 10.05 in its entirety to read as herein set out. Former Ch. 10.05, §§ 10.05.010—10.05.060, pertained to similar subject matter and derived from Ord. No. 3418, § 2(part), adopted in 2004; Ord. No. 3522, § IV, adopted in 2009; Ord. No. 3523, § VI, adopted in 2009; Ord. No. 3569, § I, adopted in 2011; and Ord. No. 3628, § I, adopted in 2015.

10.05.010 - Definitions.

"Bicycle", "electric bicycle", "class 1 electric bicycle", "class 2 electric bicycle", "class 3 electric bicycle", "motorized bicycle" and "motor vehicle" shall be as defined in the California Vehicle Code Sections 231, 312.5, 406 and 415.

(Ord. No. 3711, § II, 2019)

Exceptions & meaning →

10.05.020 - Motor vehicles.

No person shall operate or possess any motor vehicle or motor driven vehicle including, but not limited to, cars, trucks, motorcycles, motorized bicycles or similar vehicles within parks, except upon public roads or parking lots or other areas signed specifically to permit such operation of specified vehicles within those areas. For the purposes of this section, battery-powered wheelchairs and other power-driven mobility devices being used by individuals with mobility disabilities are exempted, unless the county determines, and posts notice of such determination that under 28 CFR §§ 35.130(h) and 35.137(b)(2), the class of other power-driven mobility devices cannot be operated in accordance with legitimate safety requirements that the County has adopted.

(Ord. No. 3711, § II, 2019)

Exceptions & meaning →

10.05.030 - Bicycles.

(a) No person shall operate any bicycle or similar vehicle within parks except upon paved roads, fire protection roads, designated bicycle and multi-use pathways, or public roads not signed against such use. Furthermore, no person shall operate or possess any bicycle or similar vehicle elsewhere within parks, including trails, unless signed specifically to permit such operation.

(b) No person shall operate any class 1 or class 2 electric bicycle within parks except upon paved roads, paved designated bicycle and multi-use pathways or public roads not signed against such use. Furthermore, no person shall operate or possess any class 1 or class 2 electric bicycle elsewhere within parks, including fire roads and trails, unless signed specifically to permit such operation.

(c) No person shall operate any class 3 electric bicycle within parks except upon public roads or parking lots or other areas signed specifically to permit such operation.

(d) Any person operating a bicycle or electric bicycle on a designated multi-use pathway shall yield the right-of-way to pedestrians and horses.

(Ord. No. 3711, § II, 2019)

Exceptions & meaning →

10.05.040 - Boats.

No person shall place, operate or possess any motorized vessels, including boats, rafts or similar watercraft, in reservoirs, lakes, streams, waterways or other bodies of water within parks, except on bay and tidal waterways, subject to applicable state and local laws. Motorized vessels, including boats, rafts and similar watercraft, including personal watercraft (jet skis, etc.), shall maintain a distance of at least three hundred feet from all beaches and fishing piers.

(Ord. No. 3711, § II, 2019)

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10.05.050 - Speed limits.

(a) With the exception of the Mill Valley-Sausalito Multi-Use Pathway, no person shall operate any land vehicle, including bicycles and electric bicycles, at speeds in excess of fifteen miles per hour on lands managed by the department, unless otherwise posted. No vehicle shall be operated at a speed greater than is reasonable for safe operation, nor in any manner that may endanger the safety of others or the protection of facilities and environmental resources.

(b) On the Mill Valley-Sausalito Multi-Use Pathway no person shall operate any land vehicle, including bicycles and electric bicycles, at speeds in excess of ten miles per hour beginning at a point two hundred fifty feet north of the intersection of Sycamore Avenue and extending to a point two hundred twenty-five feet south of the Arroyo Corte Madera Del Presidio Creek Bridge. At all other locations along the path, no person shall operate any land vehicle at speeds in excess of fifteen miles per hour. At any location along the path, no vehicle shall be operated at a speed greater than is reasonable for safe operation, nor in any manner that may endanger the safety of others or the protection of facilities and environmental resources.

(Ord. No. 3711, § II, 2019)

Exceptions & meaning →

10.05.060 - Parking and vehicle removal.

No person shall park, leave, abandon, possess or otherwise store any vehicle within parks, except in locations designated for such use. No person shall park any vehicle within parks during periods when parking areas or lands are closed, nor in the following locations:

(1) Within the traveled portion of any road.

(2) On any service road or trail.

(3) In front of any gate.

(4) On any undisturbed or natural hillside.

(5) In areas designated for persons with disabilities, unless the person has appropriate authorization.

(6) In more than one parking space per vehicle.

(7) Within posted "no parking" areas.

(8) In a manner that obstructs the use of a boat ramp.

(9) In any manner obstructing the free flow of traffic.

Except in designated overnight parking areas, no person shall park any vehicle for more than twelve consecutive hours. Any enforcement officer mentioned in California Vehicle Code Section 22651 is authorized to remove any vehicle parked in violation of this section.

(Ord. No. 3711, § II, 2019)

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10.05.070 - California Vehicle Code.

Except as otherwise provided in these regulations, the provisions of the California Vehicle Code shall be applicable to the operation of bicycles, electric bicycles, motorized bicycles, motor vehicles, or other motor driven vehicles within parks and on paved bicycle and multi-use pathways owned or managed by Marin County Parks.

The provisions of Section 21201 of the California Vehicle Code requiring lighting equipment on highways shall apply to the operation of bicycles and electric bicycles on designated county bicycle or multi-use pathways.

(Ord. No. 3711, § II, 2019)

Exceptions & meaning →

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