Colorado Code § 42-4-1412

Operation of bicycles, electric scooters, and other human-powered vehicles
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(1) A person riding a bicycle, electrical assisted bicycle, or electric scooter has all of
the rights and duties applicable to the driver of any other vehicle under this article 4, except as to
special regulations in this article 4, except as provided in section 42-4-1412.5, and except as to
those provisions that by their nature can have no application. Bicycle, electrical assisted bicycle,
or electric scooter riders shall comply with the rules set forth in this section and section 42-4-
221, and, when using streets and highways within incorporated cities and towns, are subject to
local ordinances regulating the operation of bicycles, electrical assisted bicycles, and electric
scooters as provided in section 42-4-111. Notwithstanding any contrary provision in this article
4, when a county or municipality has adopted an ordinance or resolution that regulates the
operation of bicycles, electrical assisted bicycles, and electric scooters at controlled
intersections, as defined in section 42-4-1412.5 (4)(a), and that does not conflict with section 42-
4-1412.5, riders are subject to the local ordinance or resolution.
(2) It is the intent of the general assembly that nothing contained in House Bill No. 1246,
enacted at the second regular session of the fifty-sixth general assembly, shall in any way be
construed to modify or increase the duty of the department of transportation or any political
subdivision to sign or maintain highways or sidewalks or to affect or increase the liability of the
state of Colorado or any political subdivision under the "Colorado Governmental Immunity
Act", article 10 of title 24, C.R.S.
(3) A bicycle, electrical assisted bicycle, or electric scooter shall not be used to carry
more persons at one time than the number for which it is designed or equipped.
(4) A person riding upon a bicycle, electrical assisted bicycle, or electric scooter shall
not attach the vehicle or the rider to any motor vehicle upon a roadway.
(5) (a) Any person operating a bicycle, electrical assisted bicycle, or electric scooter
upon a roadway at less than the normal speed of traffic shall ride in the right-hand lane, subject
to the following conditions:
(I) If the right-hand lane then available for traffic is wide enough to be safely shared
with overtaking vehicles, a bicyclist shall ride far enough to the right as judged safe by the
bicyclist to facilitate the movement of such overtaking vehicles unless other conditions make it
unsafe to do so.
(II) A bicyclist may use a lane other than the right-hand lane when:
(A) Preparing for a left turn at an intersection or into a private roadway or driveway;
(B) Overtaking a slower vehicle; or
(C) Taking reasonably necessary precautions to avoid hazards or road conditions.
(III) Upon approaching an intersection where right turns are permitted and there is a
dedicated right-turn lane, a bicyclist may ride on the left-hand portion of the dedicated right-turn
lane even if the bicyclist does not intend to turn right.
(b) A bicyclist shall not be expected or required to:
(I) Ride over or through hazards at the edge of a roadway, including but not limited to
fixed or moving objects, parked or moving vehicles, bicycles, pedestrians, animals, surface
hazards, or narrow lanes; or
(II) Ride without a reasonable safety margin on the right-hand side of the roadway.
(c) A person operating a bicycle, electrical assisted bicycle, or electric scooter upon a
one-way roadway with two or more marked traffic lanes may ride as near to the left-hand curb or
edge of the roadway as judged safe by the rider, subject to the following conditions:
(I) If the left-hand lane then available for traffic is wide enough to be safely shared with
overtaking vehicles, a bicyclist shall ride far enough to the left as judged safe by the bicyclist to
facilitate the movement of such overtaking vehicles unless other conditions make it unsafe to do
so.
(II) A bicyclist shall not be expected or required to:
(A) Ride over or through hazards at the edge of a roadway, including but not limited to
fixed or moving objects, parked or moving vehicles, bicycles, pedestrians, animals, surface
hazards, or narrow lanes; or
(B) Ride without a reasonable safety margin on the left-hand side of the roadway.
(6) (a) Persons riding bicycles, electrical assisted bicycles, or electric scooters upon a
roadway shall not ride more than two abreast except on paths or parts of roadways set aside for
the exclusive use of bicycles and electric scooters.
(b) Persons riding bicycles, electrical assisted bicycles, or electric scooters two abreast
shall not impede the normal and reasonable movement of traffic and, on a laned roadway, shall
ride within a single lane.
(7) A person operating a bicycle, electrical assisted bicycle, or electric scooter shall keep
at least one hand on the handlebars at all times.
(8) (a) A person riding a bicycle, electrical assisted bicycle, or electric scooter intending
to turn left shall follow a course described in sections 42-4-901 (1), 42-4-903, and 42-4-1007 or
may make a left turn in the manner prescribed in subsection (8)(b) of this section.
(b) A person riding a bicycle, electrical assisted bicycle, or electric scooter intending to
turn left shall approach the turn as closely as practicable to the right-hand curb or edge of the
roadway. After proceeding across the intersecting roadway to the far corner of the curb or
intersection of the roadway edges, the rider shall stop, as much as practicable, out of the way of
traffic. After stopping, the rider shall yield to any traffic proceeding in either direction along the
roadway that the rider had been using. After yielding and complying with any official traffic
control device or police officer regulating traffic on the highway along which the rider intends to
proceed, the rider may proceed in the new direction.
(c) Notwithstanding the provisions of paragraphs (a) and (b) of this subsection (8), the
transportation commission and local authorities in their respective jurisdictions may cause
official traffic control devices to be placed on roadways and thereby require and direct that a
specific course be traveled.
(9) (a) Except as otherwise provided in this subsection (9), every person riding a bicycle,
electrical assisted bicycle, or electric scooter shall signal the intention to turn or stop in
accordance with section 42-4-903; except that a person riding a bicycle, electrical assisted
bicycle, or electric scooter may signal a right turn with the right arm extended horizontally.
(b) A signal of intention to turn right or left when required shall be given continuously
during not less than the last one hundred feet traveled by the bicycle, electrical assisted bicycle,
or electric scooter before turning and shall be given while the bicycle, electrical assisted bicycle,
or electric scooter is stopped waiting to turn. A signal by hand and arm need not be given
continuously if the hand is needed in the control or operation of the bicycle, electrical assisted
bicycle, or electric scooter.
(10) (a) A person riding a bicycle, electrical assisted bicycle, or electric scooter upon and
along a sidewalk or pathway or across a roadway upon and along a crosswalk shall yield the
right-of-way to any pedestrian and shall give an audible signal before overtaking and passing the
pedestrian. A person riding a bicycle, electrical assisted bicycle, or electric scooter in a
crosswalk shall do so in a manner that is safe for pedestrians.
(b) A person shall not ride a bicycle, electrical assisted bicycle, or electric scooter upon
and along a sidewalk or pathway or across a roadway upon and along a crosswalk where the use
of bicycles, electrical assisted bicycles, or electric scooters is prohibited by official traffic
control devices or local ordinances. A person riding a bicycle, electrical assisted bicycle, or
electric scooter shall dismount before entering any crosswalk where required by official traffic
control devices or local ordinances.
(c) A person riding or walking a bicycle, electrical assisted bicycle, or electric scooter
upon and along a sidewalk or pathway or across a roadway upon and along a crosswalk has all
the rights and duties applicable to a pedestrian under the same circumstances, including the
rights and duties granted and required by section 42-4-802.
(d) (Deleted by amendment, L. 2005, p. 1353, § 1, effective July 1, 2005.)
(11) (a) A person may park a bicycle, electrical assisted bicycle, or electric scooter on a
sidewalk unless prohibited or restricted by an official traffic control device or local ordinance.
(b) A bicycle, electrical assisted bicycle, or electric scooter parked on a sidewalk must
not impede the normal and reasonable movement of pedestrian or other traffic.
(c) A bicycle, electrical assisted bicycle, or electric scooter may be parked on the road at
any angle to the curb or edge of the road at any location where parking is allowed.
(d) A bicycle, electrical assisted bicycle, or electric scooter may be parked on the road
abreast of one or more bicycles or electric scooters near the side of the road or any location
where parking is allowed in such a manner as does not impede the normal and reasonable
movement of traffic.
(e) In all other respects, bicycles, electrical assisted bicycles, or electric scooters parked
anywhere on a highway must conform to the provisions of part 12 of this article 4 regulating the
parking of vehicles.
(12) (a) Any person who violates any provision of this section commits a class 2
misdemeanor traffic offense; except that section 42-2-127 shall not apply.
(b) If any person riding a bicycle, electrical assisted bicycle, or electric scooter violates
any provision of this article 4 other than this section that is applicable to such a vehicle and for
which a penalty is specified, the person is subject to the same specified penalty as any other
vehicle; except that section 42-2-127 does not apply.
(13) Upon request, the law enforcement agency having jurisdiction shall complete a
report concerning an injury or death incident that involves a bicycle, electrical assisted bicycle,
or electric scooter on the roadways of the state, even if the accident does not involve a motor
vehicle.
(14) (a) (I) A person may ride a class 1 or class 2 electrical assisted bicycle on a bike or
pedestrian path where bicycles are authorized to travel.
(II) A local authority may prohibit the operation of a class 1 or class 2 electrical assisted
bicycle on a bike or pedestrian path under its jurisdiction.
(b) A person shall not ride a class 3 electrical assisted bicycle on a bike or pedestrian
path unless:
(I) The path is within a street or highway; or
(II) The local authority permits the operation of a class 3 electrical assisted bicycle on a
path under its jurisdiction.
(15) (a) A person under sixteen years of age shall not ride a class 3 electrical assisted
bicycle upon any street, highway, or bike or pedestrian path; except that a person under sixteen
years of age may ride as a passenger on a class 3 electrical assisted bicycle that is designed to
accommodate passengers.
(b) A person shall not operate or ride as a passenger on a class 3 electrical assisted
bicycle unless:
(I) Each person under eighteen years of age is wearing a protective helmet of a type and
design manufactured for use by operators of bicycles;
(II) The protective helmet conforms to the design and specifications set forth by the
United States consumer product safety commission or the American Society for Testing and
Materials; and
(III) The protective helmet is secured properly on the person's head with a chin strap
while the class 3 electrical assisted bicycle is in motion.
(c) A violation of subsection (15)(b) of this section does not constitute negligence or
negligence per se in the context of any civil personal injury claim or lawsuit seeking damages.

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