Title 16 — Vehicles

It shall be a violation for a person to alter a bicycle equipped with a motor to exceed the manufacturers specified maximum speed of the vehicle. SOURCE: GC § 23101.4, enacted by P.L. 16-058:5 (Jan. 10, 1982).

(a) Every motor vehicle operating upon the public highways shall be equipped with brakes adequate to control the movements of and to stop and hold such vehicle, including two (2) separate means of applying braking effort, each of which means shall be effective to apply braking ef…

(a) It shall be unlawful for any person to operate a motor vehicle or a combination of vehicles upon the highways of Guam with brakes not in good working condition. (b) It shall be unlawful for any person to operate a motor vehicle without the required number of brakes in good wo…

(a) Every motor vehicle when operated upon a highway shall be equipped with a horn in good working order and capable of emitting sound audible under normal conditions from a distance of not less than two hundred (200) feet but no horn shall emit an unreasonably loud or harsh soun…

(a) Any motor vehicle which is so constructed or loaded, or when towing any vehicle which is so constructed or loaded, as to obstruct the driver’s view to the rear thereof from the driver’s position, shall be equipped with a mirror so located as to reflect to the driver a view of…

(a) No person shall drive any motor vehicle upon a highway with any sign, poster, card, sticker, or other nontransparent material upon the front windshield, side wings, windwings, side or rear windows of the vehicle, except that such signs, posters, cards, stickers, or other mate…

(a) On or after January 1, 1967, no person shall sell any new passenger vehicle, other than a motorcycle, manufactured after January 1, 1966, which is not equipped with anchors or other device meeting the specifications established by the Guam Police Department, to which safety b…

No motor vehicle operated upon the public highways shall bear upon any part of such vehicle or its attachments any plate, card, tag, lettering, markings or pictures of an obscene or vulgar nature. SOURCE: GC § 23111, enacted by P.L. 1-088 (Nov. 29, 1952).

Whenever the load on any vehicle, except Fire Department and Fire Patrol apparatus, shall extend more than four (4) feet beyond the rear of the chassis bed or body of such vehicle, there shall be displayed at the extreme end of such load, in such position as to be clearly visible…

No passenger-type vehicle shall be operated on any highway with any load carried thereon extending beyond the line of the fenders on the left side of such vehicle nor extending more than six (6) inches beyond the line of the fenders on the right side thereof. SOURCE: GC § 23112.1…

No vehicle shall be operated upon the public highways unless such vehicle is so constructed or so loaded as to prevent its contents from dropping, sifting, leaking or otherwise escaping from or falling from such vehicle. SOURCE: GC § 23113, enacted by P.L. 1-088 (Nov. 29, 1952).

(a) Every motor vehicle subject to registration and operated on a highway shall at all times be equipped with an adequate muffler in constant operation and properly maintained to prevent any excess or unusual noise, and no such muffler or exhaust system shall be equipped with a c…

No person shall operate any motor vehicle having three (3) or more wheels, any trailer, or semi-trailer unless equipped with fenders, covers, or devices, including flaps or splash aprons, or unless the body of the vehicle or attachments thereto afford adequate protection to effec…

Any person operating any vehicle transporting any explosive as a cargo or part of a cargo upon a highway shall at all times comply with the provisions of this Section. (a) Said vehicle shall be marked or placarded on each side and the rear with word “Explosives” in letters not le…

All provisions of this Article apply to vehicles owned by the government of Guam. SOURCE: Added by P.L. 29-099:1 (July 22, 2008).

(a) The sale of tires older than ten (10) years, for use on vehicles operated on the highways and roadways of Guam, is prohibited; except for Trucks and Buses Radial (TBR) tires, which shall not be older than six (6) years when for sale. (b) All sellers, vendors, distributors of …

Any person who knowingly sells a tire(s) or mounts a tire(s) on a vehicle in violation of § 3219 of this Chapter commits a third degree felony. SOURCE: Added as § 3219 by P.L. 29-120:3 (Dec. 2, 2008), and codified to this section by the Compiler pursuant to 1 GCA § 1606. ARTICLE …

(a) All motor vehicles traveling upon the public highway shall be driven at a careful, prudent rate of speed not greater than nor less than is reasonable and proper, having due regard to the surface of the highway, the width of the highway and the condition of traffic upon the hi…

(a) A driver commits the offense of eluding a police officer if, knowing or having reason to know that a uniformed police officer is in pursuit in a marked police vehicle or is giving a visual or audible command to the driver to stop his vehicle, he eludes the officer. (b) In det…

As used in § 3301.1 of this Chapter: (a) “Audible command” means a siren, horn or electronically magnified voice command. (b) “Driver” means the operator of a motor vehicle. (c) “Eludes” means that a driver fails or refuses to stop his vehicle and accelerates or takes other evasi…

As used in § 3301.1 of this Chapter, factors to be considered in determining whether or not a driver, at the time and place in question, had the requisite knowledge to support a charge of eluding a police officer include the following: (a) Was the officer in a marked police car? …

No person shall drive a vehicle when it is so loaded, or when there are in the front seat such a number of persons in excess of three (3) as to obstruct the view of the driver to the front or sides of the vehicle or as to interfere with the driver’s control over the driving mecha…

It is unlawful for an operator of a motorcycle on a highway to carry any other person thereon, except on a seat securely fastened to the machine in the rear of the operator and provided with foot rests and hand grips or in a side car attached to a motorcycle and designed for the …

It is unlawful for any person to operate a motorcycle on any public beach posted with appropriate signs by the Chief of Police. SOURCE: GC § 23116.3, enacted by P.L. 8-095 (Feb. 14, 1966). 2025 NOTE: Reference to the “Director of Public Safety” replaced with the “Chief of Police”…

(a) Any driver under eighteen years of age and any passenger under eighteen years of age shall wear a safety helmet, of a type that meets or exceeds the safety standards established by the United States Department of Transportation, when riding on a motorcycle, scooter or moped, …

No person shall sell or offer for sale for use by an operator or passenger of a motorcycle, scooter or moped, or bicycle equipped with a motor, a helmet which is not of a type meeting the requirements established by the United States Department of Transportation. Anyone who viola…

(a) A person propelling a bicycle or bicycle equipped with a motor shall not ride other than upon or astride a permanent and regular seat attached thereon. (b) No bicycle shall be used to carry more persons at one time than the number for which it is designed and equipped, howeve…

(a) Every person operating a bicycle or bicycle equipped with a motor upon a roadway shall ride as near to the right side of the roadway as practicable, exercising due care when passing a standing vehicle or one proceeding in the same direction. (b) Persons riding bicycles or bic…

Paths. (a) Electric Personal Assistive Mobility Devices (EPAMD) shall be allowed to operate on and use safety zones, bicycle paths, and sidewalks. An Operator of an Electric Personal Assistive Mobility Device (EPAMD) shall exercise due care to avoid colliding with, and shall yiel…

While operated on any highway, a bicycle shall be considered a vehicle for all purposes of highway traffic operation regulations and control as set forth in this Code. SOURCE: GC § 23140, enacted by P.L. 1-088 (Nov. 29, 1952); repealed and reenacted by P.L. 3-016:42, 43 (July 14,…

While operated on any highway, an EPAMD shall be considered a vehicle for all purposes of highway traffic operation regulations and control as set forth in this Code. SOURCE: Added by P.L. 29-139:6 (Jan. 30, 2009). COL 2026-04-23

(a) Upon all roadways of sufficient width a motor vehicle shall be driven upon the right half of the roadway, except as follows: (1) When overtaking and passing another vehicle proceeding in the same direction under the rules governing such movement; (2) When placing a vehicle in…

Upon all highways any vehicle or bicycle shall be driven in the right-hand lane for traffic or as close as practicable to the right-hand edge or curb, except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an inter…

Whenever the Chief of Police determines and designates a distinctive roadway marking which shall indicate no driving over such marking, he may place such markings upon highways under his jurisdiction. SOURCE: GC § 23117.2, enacted by P.L. 3-016:14 (July 14, 1955). 2025 NOTE: Refe…

When any truck, tractor, trailer, or any combination thereof with a gross weight of vehicle and load of ten thousand (10,000) pounds or more is being driven on any highway, it shall not be driven in the farthest left hand lane, except when overtaking and passing a vehicle proceed…

The Chief of Police may erect signs temporarily designating lanes to be used by traffic moving in a particular direction, regardless of the center line of the highway, and all peace officers may direct traffic in conformance with such signs. When authorized signs have been erecte…

Whenever any roadway has been divided into three (3) or more clearly marked lanes for traffic, the following rules in addition to all others consistent herewith shall apply: (a) A vehicle shall be driven as nearly as practical entirely within a single lane and shall not be moved …

(a) A driver shall not enter an intersection or marked crosswalk unless there is sufficient space on the other side of the intersection or marked crosswalk to clear the intersection. COL 2026-04-23 (b) In crossing an intersection of highways, the operator of a vehicle shall, at a…

(a) Drivers of vehicles proceeding in opposite direction shall pass each other to the right and, except when a roadway has been divided into traffic lanes, each driver shall give to the other at least one-half (½) of the main traveled portion of the roadway whenever possible. (b)…

(a) The operator of a motor vehicle may overtake and pass to the right of another vehicle only under the following conditions: (1) When the vehicle overtaken is making or about to make a left turn. (2) Upon a highway with unobstructed pavement of sufficient width for two (2) or m…

(a) No vehicle shall be driven to the left side of the center line of a roadway in overtaking and passing another vehicle proceeding in the same direction unless such left side is clearly visible and is free of oncoming traffic for a sufficient distance ahead to permit such overt…

The operator of a vehicle about to be overtaken and passed by another vehicle approaching from the rear shall give way to the right in favor of the overtaking vehicle when the operator of the overtaking vehicle shall have given a suitable and audible signal, and shall not increas…

The operator of a motor vehicle shall not follow another vehicle more closely than is reasonable and prudent, having due regard to the speed of such vehicle, the condition of the highway surface and the nature of traffic upon such highway. SOURCE: GC § 23123, enacted by P.L. 1-08…

The operator of a vehicle intending to turn at an intersection shall do so as follows: (a) Right turns. Both the approach for a right turn, and a right turn, shall be made as close as practicable to the right-hand curb or edge of the roadway. (b) Left turns on two-way roadways. A…

No vehicle shall be turned so as to proceed in the opposite direction upon any curve, or upon the approach to, or near the crest of, a grade where such vehicle cannot be seen by the operator of any other vehicle approaching from either direction within three hundred (300) feet. S…

No person shall start a vehicle stopped, standing, or parked on a highway, nor shall any person back a vehicle on a highway unless and until such movement can be made with reasonable safety. SOURCE: GC § 23124.2, enacted by P.L. 3-016:28 (July 14, 1955).

(a) The operator of any vehicle upon a highway shall, before starting, stopping or turning from a direct line, first see that such movement can be made in safety and, if any pedestrian may be affected by such movement, shall give a clearly audible warning signal, and whenever the…

(a) When two (2) vehicles are approaching or entering an intersection at approximately the same time, the operator of the vehicle on the left shall yield the right of way to the vehicle on the right except as otherwise provided in this Title. The operator of any vehicle approachi…

(a) The operator of any vehicle shall stop at the entrance to a through highway and shall yield the right of way to other vehicles which have entered the intersection from the through highway or which are approaching so closely on the through highway as to constitute an immediate…

(a) The operator of a vehicle about to enter or cross a highway from any private road or driveway or from an alley shall yield the right of way to all vehicles approaching on said highway. (b) The operator of a vehicle intending to turn to the left into an alley, private road, dr…