31-5-111(b) shall be official signs and it is unlawful for any

31-5-111(b) shall be official signs and it is unlawful for any person to willfully park a vehicle in violation of the restrictions, regulations or prohibitions stated on the signs. This subsection shall not prohibit use of handicapped parking spaces provided under subsection (b) of this section by a person issued a distinctive handicapped license plate or transferable identification card by another state and displaying the plate or card on a vehicle used by this person.

(d) Repealed by Laws 2020, ch. 145, § 1.  31-5-502. Penalty for violation of W.S. 31-5-501.

Every person who is convicted of a violation of W.S. 31-5-501 is guilty of a misdemeanor, and upon conviction thereof by any court of competent jurisdiction, is subject to a fine of not more than fifty dollars ($50.00).

31-5-503. Erection and maintenance of traffic-control devices to designate through highways.

The superintendent with reference to state highways and local authorities with reference to other highways under their jurisdiction may erect and maintain stop signs, yield signs or other traffic-control devices to designate through highways, or to designate intersections or other roadway junctions at which vehicular traffic on one (1) or more of the roadways should yield or stop and yield before entering the intersection or junction.

31-5-504. Specific places where prohibited.

(a) Except when necessary to avoid conflict with other traffic or in compliance with law or the directions of a police officer or traffic-control device, no person shall:

(i) Stop, stand or park a vehicle:

(A) On the roadway side of any vehicle stopped or parked at the edge or curb of a street;

(B) On a sidewalk;

(C) Within an intersection;

(D) On a crosswalk;

(E) Between a safety zone and the adjacent curb or within thirty (30) feet of points on the curb immediately opposite the ends of a safety zone, unless a different length is indicated by signs or markings;

(F) Alongside or opposite any street excavation or obstruction when stopping, standing or parking would obstruct traffic;

(G) Upon any bridge or other elevated structure upon a highway or within a highway tunnel;  (H) On any railroad tracks;

(J) On any controlled-access highway;

(K) In the area between roadways of a divided highway, including crossovers;

(M) At any place where official traffic-control devices prohibit stopping.

(ii) Stand or park a vehicle, whether occupied or not, except momentarily to pick up or discharge a passenger or passengers:

(A) In front of a public or private driveway;

(B) Within fifteen (15) feet of a fire hydrant;

(C) Within twenty (20) feet of a crosswalk at an intersection;

(D) Within twenty (20) feet upon the approach to any flashing signal, stop sign, yield sign or traffic-control signal located at the side of a roadway;

(E) Within twenty (20) feet of the driveway entrance to any fire station and on the side of a street opposite the entrance to any fire station within seventy-five (75) feet of the entrance when properly signposted;

(F) At any place where official traffic-control devices prohibit standing.

(iii) Park a vehicle, whether occupied or not, except temporarily for the purpose of and while actually engaged in loading or unloading property or passengers:

(A) Within fifty (50) feet of the nearest rail of a railroad crossing;

(B) At any place where official traffic-control devices prohibit parking.

(b) No person shall move a vehicle not lawfully under his control into any prohibited area or away from a curb such a distance as is unlawful.  31-5-505. Roadways outside of business or residence districts.

(a) Outside a business or residence district no person shall stop, park or leave standing any vehicle, whether attended or unattended, upon the roadway when it is practicable to stop, park or so leave the vehicle off the roadway, but in every event an unobstructed width of the highway opposite a standing vehicle shall be left for the free passage of other vehicles and a clear view of the stopped vehicles shall be available for a distance of two hundred (200) feet in each direction upon the highway.

(b) This section and W.S. 31-5-504 do not apply to the driver of any vehicle which is disabled in such manner and to such extent that it is impossible to avoid stopping and temporarily leaving the vehicle in that position.

31-5-506. Emerging from alley, building, private road or driveway.

The driver of a vehicle emerging from an alley, building, private road or driveway within a business or residence district shall stop the vehicle immediately prior to driving onto a sidewalk or onto the sidewalk area extending across the alley, building entrance, road or driveway, or if there is no sidewalk area, shall stop at a point nearest the street to be entered where the driver has a view of approaching traffic thereon.

31-5-507. Meeting or passing stopped school bus; markings and visual signals.

(a) The driver of a vehicle upon meeting or overtaking from either direction any stopped school bus shall stop before reaching the school bus when there is in operation on the school bus the flashing red lights as specified in W.S. 31-5-929 and the driver shall not proceed until the school bus resumes motion or the flashing red lights are no longer actuated.

(b) Every school bus shall bear upon the front and rear thereof plainly visible signs containing the words "school bus" in letters not less than eight (8) inches in height, and in addition shall be equipped with red visual signals meeting the requirements of W.S. 31-5-929, which shall be actuated by the driver of the school bus whenever the vehicle is stopped and is receiving or discharging school children in designated school bus loading areas. When stopped to receive or discharge school children, the school bus driver shall keep the bus as far to the right of the roadway as reasonable. Except at a crosswalk, no school bus shall receive or discharge school children upon a roadway with four (4) or more lanes if the child would be required to cross a lane. The board of trustees of a school district may waive the requirement in this subsection that school bus drivers actuate visual signals if:

(i) The board finds the safety of children is not jeopardized; and

(ii) The bus is not on a public roadway.

(c) Before a school bus is sold by a school district all legal markings on the bus indicating it was once a school bus shall be concealed with paint unless sold to another school district in Wyoming.

(d) The driver of a vehicle upon a highway with separate roadways need not stop upon meeting or passing a school bus which is on a different roadway or when upon a controlled-access highway and the school bus is stopped in a loading zone which is a part of or adjacent to the highway and where pedestrians are not permitted to cross the roadway.

(e) A recording of images produced by a video system equipped on a school bus under W.S. 21-3-131(b)(x) shall be prima facie evidence of the facts contained in it. A recorded image evidencing a violation of subsection (a) of this section shall be admissible in a judicial or administrative proceeding to adjudicate liability for the violation. If the identity of the driver of a vehicle that violates subsection (a) of this section is unknown, the registered owner of the vehicle recorded by a video system as provided in this subsection shall be fined one hundred ninety-five dollars ($195.00) provided that:

(i) A fine issued to a registered owner of a vehicle under this subsection shall not be considered a moving violation for the purpose of suspending a driver's license under W.S. 31- 7-129 and shall not be considered a conviction under W.S. 31-5- 1201 or as a prior conviction for any other purpose; and

(ii) It shall be a defense to enforcement of a fine issued under this subsection that the registered owner of the vehicle:  (A) Did not provide express or implied consent to the person who was operating the vehicle at the time of the violation; or

(B) Transferred ownership of the vehicle to a new owner prior to the observed violation.

31-5-508. Removal of illegally stopped vehicles.

(a) Whenever any police officer finds a vehicle in violation of W.S. 31-5-505 the officer may move the vehicle, or require the driver or other person in charge of the vehicle to move the vehicle, to a position off the roadway.

(b) Any police officer may remove or cause to be removed to a place of safety any unattended vehicle illegally left standing upon any highway, bridge, causeway, or in any tunnel, in a position or under circumstances which obstruct the normal movement of traffic.

(c) Any police officer may remove or cause to be removed to the nearest garage or other place of safety any vehicle found upon a highway when:

(i) Report has been made that the vehicle has been stolen or taken without the consent of its owner;

(ii) The person in charge of the vehicle is unable to provide for its custody or removal; or

(iii) When the person driving or in control of the vehicle is arrested for an alleged offense for which the officer is required by law to take the person arrested before a proper judge without unnecessary delay.

31-5-509. Requirements before leaving motor vehicle unattended.

No person driving or in charge of a motor vehicle shall permit it to stand unattended without effectively setting the brake thereon and, when standing upon any grade, turning the front wheels to the curb or side of the highway.

31-5-510. Railroad crossings generally.

(a) Whenever any person driving a vehicle approaches a railroad grade crossing under any of the circumstances stated in this section, the driver of the vehicle shall stop within fifty (50) feet but not less than fifteen (15) feet from the nearest rail of the railroad, and shall not proceed until he can do so safely. The foregoing requirements apply when:

(i) A clearly visible electric or mechanical signal device gives warning of the immediate approach of a railroad train or other on-track equipment;

(ii) A crossing gate is lowered or a flagman gives or continues to give a signal of the approach or passage of a railroad train or other on-track equipment;

(iii) A railroad train or other on-track equipment approaching a highway crossing emits an audible signal in accordance with federal railroad administration requirements and the railroad train or other on-track equipment, by reason of its speed or nearness to the crossing, is an immediate hazard;

(iv) An approaching railroad train or other on-track equipment is plainly visible and is in hazardous proximity to the crossing.

(b) No person shall drive any vehicle through, around, or under any crossing gate or barrier at a railroad crossing while the gate or barrier is closed or is being opened or closed.

31-5-511. Stopping requirements for certain vehicles at railroad crossings.

(a) The driver of any motor vehicle carrying passengers for hire, or of any school bus whether empty or carrying school children, or of any vehicle carrying a cargo or part of a cargo required to be placarded under United States department of transportation regulations, before crossing at grade any track or tracks of a railroad, shall:

(i) Actuate the vehicle's four-way hazard flashers prior to stopping at the grade crossing;

(ii) Stop the vehicle within fifty (50) feet but not less than fifteen (15) feet from the nearest rail of the railroad;

(iii) While stopped, listen and look in both directions along the track for any approaching train or other on-track equipment and for signals indicating the approach of a train or other on-track equipment and not proceed until he can do so safely;

(iv) Upon proceeding, cross the tracks without manually shifting gears and only in a gear of the vehicle which does not require manually changing gears while traversing the crossing; and

(v) After crossing the tracks, cancel the four-way hazard flashers.

(b) Except for school buses which will stop at all railroad crossings, this section shall not apply at:

(i) Any railroad grade crossing at which traffic is controlled by a police officer or flagman;

(ii) Any railroad grade crossing at which traffic is regulated by a traffic-control signal;

(iii) Any railroad grade crossing protected by crossing gates or an alternately flashing light signal intended to give warning of the approach of a railroad train or other on- track equipment;

(iv) Any railroad grade crossing at which an official traffic-control device gives notice that the stopping requirement imposed by this section does not apply.

(c) The highway department may adopt such regulations as may be necessary describing additional vehicles which must comply with the stopping requirements of this section.

31-5-512. Parking alongside curbs or on edge of roadways; angle parking; power of highway department to place devices restricting parking.

(a) Except as otherwise provided in this section every vehicle stopped or parked upon a two-way roadway shall be stopped or parked with the right-hand wheels of the vehicle parallel to and within eighteen (18) inches of the right-hand curb or as close as practicable to the right edge of the right-hand shoulder.

(b) Except as otherwise provided by local ordinance, every vehicle stopped or parked upon a one-way roadway shall be stopped or parked parallel to the curb or edge of the roadway, in the direction of authorized traffic movement, with its right-hand wheels within eighteen (18) inches of the right-hand curb or as close as practicable to the right edge of the right-hand shoulder, or with its left-hand wheels within eighteen (18) inches of the left-hand curb or as close as practicable to the left edge of the left-hand shoulder.

(c) Local authorities may permit angle parking on any roadway, except that angle parking shall not be permitted on any federal-aid or state highway unless the highway department has determined that the roadway is of sufficient width to permit angle parking without interfering with the free movement of traffic.

(d) The highway department with respect to highways under its jurisdiction may place official traffic-control devices prohibiting, limiting or restricting the stopping, standing or parking of vehicles on any highway where in its opinion stopping, standing or parking, is dangerous to those using the highway or where the stopping, standing or parking of vehicles would unduly interfere with the free movement of traffic. No person shall stop, stand or park any vehicle in violation of the restrictions indicated by the devices.

ARTICLE 6 - PEDESTRIANS' RIGHTS AND DUTIES

31-5-601. Obedience to traffic-control devices; general privileges and restrictions.

(a) A pedestrian shall obey the instructions of any official traffic-control device specifically applicable to him unless otherwise directed by a police officer.

(b) Pedestrians are subject to traffic-control signals at intersections as provided by W.S. 31-5-403 and 31-5-404.

(c) At all other places pedestrians shall be accorded the privileges and are subject to the restrictions stated in this act.

31-5-602. Right-of-way in crosswalks.

(a) When traffic-control signals are not in place or not in operation, the driver of a vehicle shall yield the right-of-way by slowing down or stopping if need be to yield, to any pedestrian within or entering a crosswalk at either edge of the roadway.  (b) When traffic-control signals are not in place or not in operation at a school crosswalk, the driver of a vehicle shall yield the right-of-way to any pedestrian within or entering a school crosswalk at either edge of the roadway by slowing down or stopping.

(c) No pedestrian shall suddenly leave a curb or other place of safety and walk or run into the path of a vehicle which is so close as to constitute an immediate hazard.

(d) Subsection (a) of this section does not apply under the conditions stated in W.S. 31-5-603(b).

(e) Whenever any vehicle is stopped at a marked crosswalk or at any unmarked crosswalk at an intersection to permit a pedestrian to cross the roadway, the driver of any other vehicle approaching from the rear shall not overtake and pass the stopped vehicle.

31-5-603. Crossing at other than crosswalks.

(a) Every pedestrian crossing a roadway at any point other than within a marked crosswalk or within an unmarked crosswalk at an intersection shall yield the right-of-way to all vehicles upon the roadway.

(b) Any pedestrian crossing a roadway at a point where a pedestrian tunnel or overhead pedestrian crossing has been provided shall yield the right-of-way to all vehicles upon the roadway.

(c) Between adjacent intersections at which traffic-control signals are in operation pedestrians shall not cross at any place except in a marked crosswalk.

(d) No pedestrian shall cross a roadway intersection diagonally unless authorized by official traffic-control devices. When authorized to cross diagonally, pedestrians shall cross only in accordance with the official traffic-control devices pertaining to the crossing movements.

31-5-604. Use of right half of crosswalks.

Pedestrians shall move, whenever practicable, upon the right half of crosswalks.  31-5-605. Walking along roadways or highways.

(a) Where a sidewalk is provided and its use is practicable it is unlawful for any pedestrian to walk along and upon an adjacent roadway.

(b) Where sidewalks are not provided any pedestrian walking along and upon a highway shall, when practicable, walk only on the left side of the roadway or its shoulder facing traffic which may approach from the opposite direction as far as practicable from the edge of the roadway.

(c) Except as otherwise provided in this act, any pedestrian upon a roadway shall yield the right-of-way to all vehicles upon the roadway.

31-5-606. Soliciting on streets and highways.

(a) No person shall be on a highway for the purpose of soliciting employment, business or contributions from the occupant of any vehicle.

(b) No person shall stand on or in proximity to a street or highway for the purpose of soliciting the watching or guarding of any vehicle while parked or about to be parked on a street or highway.

31-5-607. Exercise of due care by drivers.

Notwithstanding other provisions of this act or the provisions of any local ordinance, every driver of a vehicle shall exercise due care to avoid colliding with any pedestrian or any person propelling a human powered vehicle and shall give an audible signal when necessary and shall exercise proper precaution upon observing any child or any obviously confused, incapacitated or intoxicated person.

31-5-608. Driving through or within safety zone.

No vehicle shall at any time be driven through or within a safety zone.

31-5-609. Right-of-way on sidewalks.

The driver of a vehicle crossing a sidewalk shall yield the right-of-way to any pedestrian and all other traffic on the sidewalk.  31-5-610. Yielding of right-of-way to authorized emergency vehicles.

(a) Upon the immediate approach of an authorized emergency vehicle making use of an audible signal meeting the requirements of W.S. 31-5-952 and visual signals meeting the requirements of W.S. 31-5-928, or of a police vehicle properly and lawfully making use of an audible signal only, every pedestrian shall yield the right-of-way to the authorized emergency vehicle.

(b) This section shall not relieve the driver of an authorized emergency vehicle from the duty to drive with due regard for the safety of all persons using the highway nor from the duty to exercise due care to avoid colliding with any pedestrian.

31-5-611. Blind pedestrian right-of-way.

The driver of a vehicle shall yield the right-of-way to any blind pedestrian carrying a clearly visible white cane or accompanied by a guide dog.

31-5-612. Pedestrians under influence of alcohol or controlled substances.

A pedestrian who is under the influence of alcohol or any controlled substance to a degree which renders himself a hazard shall not walk or be upon a highway.

31-5-613. Passing through railroad crossing gate or barrier.

No pedestrian shall pass through, around, over or under any crossing gate or barrier at a railroad grade crossing or bridge while the gate or barrier is closed or is being opened or closed.

ARTICLE 7 - BICYCLES AND ELECTRIC BICYCLES

31-5-701. Prohibited acts.

(a) It is a misdemeanor for any person to do any act forbidden or fail to perform any act required in W.S. 31-5-701 through 31-5-706.  (b) The parent of any child and the guardian of any ward shall not authorize or knowingly permit the child or ward to violate any provision of this act.

31-5-702. General rights and duties of riders.

Every person propelling a vehicle by human power or riding a bicycle or electric bicycle has all of the rights and all of the duties applicable to the driver of any vehicle under this act, except as to special regulations in this act and except as to those provisions which by their nature can have no application.

31-5-703. Number of riders.

No bicycle shall be used to carry more persons at one (1) time than the number for which it is designed or equipped except that an adult rider may carry a child securely attached to his person in a backpack or sling.

31-5-704. Riding on roadways and designated paths.

(a) Every person operating a bicycle 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 upon a roadway shall not ride more than two (2) abreast except on paths or parts of roadways set aside for the exclusive use of bicycles. Persons riding two (2) abreast shall not impede the normal and reasonable movement of traffic and, on a laned roadway, shall ride within a single lane.

(c) Repealed By Laws 2007, Ch. 112, § 1.

31-5-705. Carrying articles.

No person operating a bicycle shall carry any package, bundle or article which prevents the use of both hands in the control and operation of the bicycle. A person operating a bicycle shall keep at least one (1) hand upon the handle bars at all times.

31-5-706. Lamps and other equipment.

(a) Every bicycle when in use at nighttime shall be equipped with a lamp on the front which shall emit a white light visible from a distance of at least five hundred (500) feet to the front and with a red reflector on the rear of a type approved by the highway department which shall be visible from six hundred (600) feet to the rear when directly in front of lawful lower beams of head lamps on a motor vehicle. A lamp emitting a red light visible from a distance of five hundred (500) feet to the rear may be used in addition to the red reflector.

(b) A bicycle shall not be equipped with nor shall any person use upon a bicycle any siren or whistle.

(c) Every bicycle shall be equipped with a brake which will enable the operator to stop the bicycle within twenty-five (25) feet from a speed of ten (10) miles per hour on dry, level, clean pavement.

31-5-707. Electric bicycles.

(a) The operator of an electric bicycle is subject to W.S. 31-5-702 and is not subject to the provisions of this title relating to financial responsibility, driver's licenses, registration, certificates of title or off-road recreational vehicles. An electric bicycle shall not be a motor vehicle.

(b) On and after January 1, 2020, every manufacturer or distributor of an electric bicycle shall ensure that a label is permanently affixed in a prominent location on each electric bicycle sold or distributed by the manufacturer or distributor. The label shall indicate the class number as defined in W.S. 31- 1-101(a)(xxxiv), the top assisted speed and motor wattage of the electric bicycle and shall be printed in at least nine (9) point font.

(c) A person shall not modify an electric bicycle to change the motor-powered speed capability or motor engagement of the electric bicycle, unless the person replaces the label required in subsection (b) of this section indicating the classification.

(d) An electric bicycle shall comply with United States consumer product safety commission equipment and manufacturing requirements for bicycles, 16 C.F.R. 1512.

(e) An electric bicycle shall operate according to class so that when the rider stops pedaling, applies the brakes or the electric motor is disengaged, the electric motor assist ceases to function.  (f) A local authority or state agency with jurisdiction may regulate the use of any class of electric bicycles on trails, including nonmotorized trails, under its jurisdiction. For purposes of this paragraph, "nonmotorized trail" means a trail with a natural surface made by clearing and grading the native soil with no added surfacing materials.

ARTICLE 8 - SNOWMOBILES

31-5-801. Operation on highways.

(a) Snowmobiles may be operated upon the highways of Wyoming subject to the following conditions:

(i) Snowmobiles may be operated within the right-of-way but not on the main traveled roadway except as provided hereafter;

(ii) Crossings of main-traveled roadways shall be made at right angles to the roadway or as nearly so as practicable, but in any case yielding the right-of-way to all traffic in the main-traveled roadway;

(iii) Snowmobiles may be operated on the highways within the cities and towns pursuant to ordinance;

(iv) Snowmobiles may be operated on the main-traveled roadway when the highway is closed to wheeled vehicular traffic or subject to approval of the state highway department, upon a designated and posted portion of a state roadway within the boundaries of a national park;

(v) If allowed by the county commissioners, snowmobiles may be operated on a designated and posted portion of a county roadway.

ARTICLE 9 - EQUIPMENT

31-5-901. General requirements; applicability of provisions.

(a) It is a misdemeanor for any person to drive or move or for the owner to cause or knowingly permit to be driven or moved on any highway any vehicle or combination of vehicles which is in such unsafe condition as to endanger any person, or which does not contain those parts or is not at all times equipped with such lamps and other equipment in proper condition and adjustment as required in this act, or which is equipped in any manner in violation of this act, or for any person to do any act forbidden or fail to perform any act required under this act.

(b) Nothing contained in this act shall prohibit equipment required by the United States Department of Transportation nor the use of additional parts and accessories on any vehicle not inconsistent with the provisions of this act.

(c) The provisions of W.S. 31-5-901 through 31-5-970 and regulations of the superintendent with respect to equipment required on vehicles shall not apply to vehicles moved solely by human power, motorcycles, autocycles, motor-driven cycles, mopeds, electric bicycles, multipurpose vehicles, off-road recreational vehicles as defined by W.S. 31-1-101(a)(xv)(K)(II), implements of husbandry, highway construction machinery or farm tractors except as specifically made applicable.

(d) A federal motor vehicle safety standard which conflicts with a provision of this act shall supersede that provision as to any vehicle in compliance with the federal standard. The highway department shall report any conflict to the legislature and the superintendent may adopt a regulation to replace the superseded provision.

31-5-910. Lighted lamps and illuminating devices.

Every vehicle including those listed in W.S. 31-5-901(c), except as otherwise provided in this act, upon a highway within this state at any time from one-half (1/2) hour after sunset to one-half (1/2) hour before sunrise and at any other time when, due to insufficient light or unfavorable atmospheric conditions, persons and vehicles on the highway are not clearly discernible at a distance of one thousand (1,000) feet ahead shall display lighted head and other lamps and illuminating devices as respectively required for different classes of vehicles, subject to exceptions with respect to parked vehicles. Stop lights, turn signals and other signaling devices shall be lighted as prescribed for those devices.

31-5-911. Visibility distance.

Whenever a requirement is declared by this act as to distance from which certain lamps and devices shall render objects visible or within which the lamps or devices shall be visible, the provisions apply during the times stated in W.S. 31-5-910 in respect to a vehicle without load when upon a straight, level, unlighted highway under normal atmospheric conditions unless a different time or condition is expressly stated.

31-5-912. Head lamps.

(a) A motor vehicle, including a multipurpose vehicle or an autocycle, which is greater than fifty (50) inches in width, shall be equipped with at least two (2) head lamps with at least one (1) on each side of the front of the motor vehicle, which head lamps comply with the regulations of the superintendent.

(b) A motorcycle, motor-driven cycle, multipurpose vehicle which is fifty (50) inches or less in width, moped or off-road recreational vehicle as defined by W.S. 31-1-101(a)(xv)(K)(II) that is registered pursuant to W.S. 31-2-232 shall be equipped with at least one (1) head lamp which shall comply with the regulations of the superintendent.

31-5-913. Tail lamps.

(a) A motor vehicle, multipurpose vehicle which is greater than fifty (50) inches in width, trailer, semitrailer, pole trailer or any other vehicle which is being drawn at the end of a combination of vehicles, shall be equipped with at least two (2) tail lamps mounted on the rear, which shall comply with the regulations of the superintendent. The superintendent may by regulation allow one (1) tail lamp on any vehicle equipped with only one (1) when it was made. A motorcycle, motor-driven cycle, multipurpose vehicle which is fifty (50) inches or less in width, autocycle, moped or off-road recreational vehicle as defined by W.S. 31-1-101(a)(xv)(K)(II) that is registered pursuant to W.S. 31-2-232 shall be equipped with at least one (1) tail lamp which shall comply with the regulations of the superintendent.

(b) Either a tail lamp or a separate lamp shall be so constructed and placed as to illuminate with a white light the rear registration plate of all vehicles listed in subsection (a) of this section. The lamp shall comply with the regulations of the superintendent.

(c) A street rod as defined in W.S. 31-1-101(a)(xv)(N) or a custom vehicle as defined in W.S. 31-1-101(a)(xv)(O) may use blue dot tail lights for stop lamps, rear turning indicator lamps, rear hazard lamps and rear reflectors. For purposes of this subsection, "blue dot tail light" means a red lamp installed in the rear of a motor vehicle containing a blue or purple insert that is not more than one (1) inch in diameter.

31-5-914. Rear reflectors.

Every motor vehicle, multipurpose vehicle which is greater than fifty (50) inches in width, trailer, semitrailer, pole trailer or other vehicle which is being drawn at the end of a combination of vehicles shall carry on the rear, either as a part of the tail lamps or separately, two (2) or more red reflectors complying with the regulations of the superintendent. Motorcycles, motor-driven cycles, multipurpose vehicles which are fifty (50) inches or less in width, autocycles, mopeds or off-road recreational vehicles as defined by W.S. 31-1- 101(a)(xv)(K)(II) that are registered pursuant to W.S. 31-2-232 shall carry on the rear at least one (1) red reflector complying with the regulations of the superintendent.

31-5-915. Stop lamps; electric turn signal lamps.

(a) Every motor vehicle, multipurpose vehicle which is greater than fifty (50) inches in width, trailer, semitrailer, pole trailer or other vehicle which is being drawn at the end of a combination of vehicles shall be equipped with two (2) or more stop lamps complying with the regulations of the superintendent. Every motorcycle, motor-driven cycle, multipurpose vehicle which is fifty (50) inches or less in width, autocycle, moped or off- road recreational vehicle as defined by W.S. 31-1- 101(a)(xv)(K)(II) that is registered pursuant to W.S. 31-2-232 shall be equipped with at least one (1) stop lamp complying with the regulations of the superintendent. The superintendent may by regulation allow one (1) stop lamp on any vehicle equipped with only one (1) when it was made.

(b) Every motor vehicle, trailer, semitrailer, pole trailer or other vehicle which is being drawn at the end of a combination of vehicles shall be equipped with electrical flashing turn signals complying with the regulations of the superintendent except that passenger cars and trucks less than eighty (80) inches in width, manufactured or assembled prior to January 1, 1953, need not be equipped with electric turn signal lamps.

31-5-916. Additional lamps and reflectors.

The superintendent by regulation may require trucks, buses, motor homes, motor vehicles with truck-campers, trailers, semitrailers and pole trailers to have additional lamps and reflectors.

31-5-917. Color of lighting devices.

All lighting devices and reflectors mounted on the rear of any vehicle shall display or reflect a red color, except the stop light or other signal device, which may be red or yellow, and except that the light illuminating the license plate shall be white and the light emitted by a backup lamp shall be white.

31-5-918. Vehicles in combination.

Whenever motor vehicles and other vehicles are operated in combination during the time that lights are required, any lamp need not be lighted which, by reason of its location on a vehicle of the combination, would be obscured by another vehicle of the combination.

31-5-919. Lamps, reflectors and flags on projecting loads.

Whenever the load upon any vehicle extends to the rear four (4) feet or more beyond the bed or body of the vehicle there shall be displayed at the extreme rear end of the load, at the times specified in W.S. 31-5-910, two (2) red lamps, two (2) red reflectors located so as to indicate maximum width, and on each side one (1) red lamp located so as to indicate maximum overhang. There shall be displayed at all other times on any vehicle having a load which extends beyond its sides or more than four (4) feet beyond its rear, red or fluorescent orange flags, not less than twelve (12) inches square, marking the extremities of the load, at each point where a lamp would otherwise be required by this section. Lamps and reflectors required in this section shall comply with the regulations of the superintendent.

31-5-920. Parked vehicles.

(a) Every vehicle shall be equipped with one (1) or more parking lamps which shall comply with the regulations of the superintendent.

(b) Whenever a vehicle is lawfully parked upon a street or highway during the hours between one-half (1/2) hour after sunset and one-half (1/2) hour before sunrise and if there is sufficient light to reveal persons and vehicles within a distance of five hundred (500) feet upon the street or highway, no lights need be displayed upon the parked vehicle.

(c) Whenever a vehicle is parked or stopped upon a roadway or adjacent shoulder, whether attended or unattended, during the hours between one-half (1/2) hour after sunset and one-half (1/2) hour before sunrise and there is not sufficient light to reveal any person or object within a distance of five hundred (500) feet upon the highway, the vehicle so parked or stopped shall display parking lamps complying with the requirements of the superintendent.

(d) Any lighted head lamps upon a parked vehicle shall be depressed or dimmed.

31-5-921. Farm and other vehicles and equipment; slow moving vehicle emblems.

(a) Every vehicle, including animal-drawn vehicles and vehicles referred to in W.S. 31-5-901(c) not specifically required by other provisions of this act to be equipped with lamps or other lighting devices, shall at the times specified in W.S. 31-5-910 be equipped with at least one (1) lamp displaying a white light visible from a distance of not less than one thousand (1,000) feet to the front of the vehicle and shall also be equipped with two (2) lamps displaying red light visible from a distance of not less than one thousand (1,000) feet to the rear of the vehicle, or as an alternative, one (1) lamp displaying a red light visible from a distance of not less than one thousand (1,000) feet to the rear and two (2) red reflectors visible from all distances within six hundred (600) feet to the rear when illuminated by the lawful lower beams of head lamps.

(b) Every farm tractor and every self-propelled implement of husbandry manufactured or assembled after January 1, 1974, shall at all times, and every other such motor vehicle shall at all times mentioned in W.S. 31-5-910, be equipped with lamps and reflectors as follows:

(i) At least two (2) head lamps complying with the regulations of the superintendent;

(ii) At least one (1) red lamp visible when lighted from a distance of not less than one thousand (1,000) feet to the rear mounted as far to the left of the center of the vehicle as possible;  (iii) At least two (2) red reflectors visible from all distances within six hundred (600) feet to the rear when directly in front of lawful lower beams of head lamps.

(c) On every combination of farm tractors and towed farm equipment or towed implement of husbandry, the farm tractor shall be equipped as required by subsection (b) of this section, and the towed unit shall at all times mentioned in W.S. 31-5-910 be equipped with lamps and reflectors as follows:

(i) If the towed unit or its load extends more than four (4) feet to the rear of the tractor or obscures any light thereon, the unit shall be equipped on the rear with at least one (1) red lamp visible when lighted from a distance of not less than one thousand (1,000) feet to the rear mounted as far to the left of the center of the towed vehicle as practicable, and at least two (2) red reflectors visible from all distances within six hundred (600) feet to the rear when directly in front of lawful lower beams of head lamps;

(ii) If the towed unit of the combination extends more than four (4) feet to the left of the center line of the tractor, the unit shall be equipped on the front with an amber reflector visible from all distances within six hundred (600) feet to one hundred (100) feet to the front when directly in front of lawful lower beams of head lamps. The reflector shall be so positioned to indicate as nearly as practicable, the extreme left projection of the towed unit.

(d) Every farm tractor and every self-propelled unit of farm equipment or implement of husbandry and special mobile equipment designed for operation at speeds not in excess of twenty-five (25) miles per hour shall at all times be equipped with a slow moving vehicle emblem mounted on the rear except as provided in subsection (e) of this section.

(e) Every combination of farm tractor and towed farm equipment or towed implement of husbandry or units towed by special mobile equipment normally operating at speeds not in excess of twenty-five (25) miles per hour shall at all times be equipped with a slow moving vehicle emblem as follows:

(i) Where the towed unit or any load thereon obscures the slow moving vehicle emblem on the towing unit, the towed unit shall be equipped with a slow moving vehicle emblem. In such cases, the towing vehicle need not display the emblem;  (ii) Where the slow moving vehicle emblem on the towing unit is not obscured by the towed unit or its load, then either or both may be equipped with the required emblem but it shall be sufficient if either has it.

(f) Use of the slow moving vehicle emblem is not required on highway construction and maintenance equipment when the vehicle is operated exclusively within areas guarded by a flagman or clearly visible warning signs.

(g) No person shall use the slow moving vehicle emblem except as required in this section nor display the emblem on a vehicle traveling at a speed in excess of twenty-five (25) miles per hour nor on a stationary object along the highway.

(h) The emblem required in subsections (d) and (e) of this section shall comply with current standards and specifications of the American Society of Agricultural Engineers.

31-5-922. Spot lamps.

Any motor vehicle may be equipped with not to exceed two (2) spot lamps and every lighted spot lamp shall be so aimed and used upon approaching another vehicle that no part of the high-intensity portion of the beam will strike the windshield, or any windows, mirror, or occupant of another vehicle in use.

31-5-923. Vehicular traffic hazard lamps.

(a) Any vehicle including those referred to in W.S.