(a)  Except as otherwise provided, as used in this act:

(i)  Repealed by Laws 2002, Ch. 68, § 2.

(ii)  "Authorized emergency vehicles" means:

(A)  Vehicles of fire departments, fire patrols, game and fish law enforcement personnel, livestock board law enforcement personnel, brand inspectors, law enforcement agencies, public and private ambulances, medical rescue units and extrication rescue units;

(B)  Privately-owned vehicles used by members of a fire department or emergency service organization while performing or traveling to perform assigned fire fighting or emergency service duties are authorized emergency vehicles if:

(I)  Authorized in writing by the appropriate governing body of the city, town or county in which the emergency services organization is located;

(II)  Equipped with at least one (1) flashing red, white or amber light visible from the front of the vehicle; and

(III)  Equipped with a marker on the front of the vehicle indicating the department or organization with which affiliated.

(C)  A wrecker, tow truck or other vehicle equipped with a mechanical apparatus designed to hoist, pull or otherwise move wrecked, disabled or stalled motor vehicles:

(I)  While at the scene where the wrecked, disabled or stalled motor vehicle is located; and

(II)  When equipped with at least one (1) flashing red or red and blue lamp visible from five hundred (500) feet in front of and behind the vehicle, in addition to any other equipment or lights required or authorized by law.

(iii)  "Bicycle" means every vehicle propelled solely by human power upon which any person may ride, having two (2) tandem wheels except scooters and similar devices;

(iv)  "Bus" means every motor vehicle designed for carrying more than ten (10) passengers and used for the transportation of persons and every motor vehicle, other than a taxicab, designed and used for the transportation of persons for compensation;

(v)  "Business district" means the territory contiguous to and including a highway when within any six hundred (600) feet along the highway where there are buildings in use for business or industrial purposes, including but not limited to hotels, banks or office buildings, railroad stations and public buildings, which buildings occupy at least three hundred (300) feet of frontage on one (1) side or three hundred (300) feet collectively on both sides of the highway;

(vi)  "Commission" means the Wyoming transportation commission;

(vii)  "Controlled-access highway" means every highway, street or roadway in respect to which owners or occupants of abutting lands and other persons have no legal right of access to or from the same except at such points only and in such manner as may be determined by the public authority having jurisdiction over the highway, street or roadway;

(viii)  "Crosswalk" means:

(A)  That part of a roadway at an intersection included within the connections of the lateral lines of the sidewalks on opposite sides of the highway measured from the curbs or, in the absence of curbs, from the edges of the traversable roadway, and in the absence of a sidewalk on one (1) side of the roadway, that part of a roadway included within the extension of the lateral lines of the existing sidewalk at right angles to the centerline;

(B)  Any portion of a roadway at an intersection or elsewhere distinctly indicated for pedestrian crossing by lines or other markings on the surface.

(ix)  "Department" or "highway department" means the department of transportation of the state of Wyoming;

(x)  "Driver" means every person who drives or is in actual physical control of a vehicle;

(xi)  "Explosives" means any chemical compounds, mixtures or devices, the primary or common purpose of which is to function by explosion, e.g., with substantially instantaneous release of gas and heat, unless the compounds, mixtures or devices are otherwise specifically classified. Explosives are classified as follows, commensurate with the degree of hazard:

(A)  Class A--detonating, or otherwise of maximum hazard, e.g. black powder;

(B)  Class B--rapid combustion rather than detonation, e.g. igniter;

(C)  Class C--minimum hazard, e.g. fireworks.

(xii)  "Farm tractor" means every motor vehicle designed and used exclusively as a farm implement for drawing implements of husbandry;

(xiii)  "Flammable liquid" means any liquid which has a flash point below one hundred degrees Fahrenheit (100" F) and has a vapor pressure not exceeding forty (40) pounds per square inch (absolute) at one hundred degrees Fahrenheit (100 F);

(xiv)  "Repealed by Laws 1991, ch. 241, § 4.

(xv)  "House trailer" means:

(A)  A trailer or semitrailer which is designed, constructed and equipped as a dwelling place, living abode or sleeping place (either permanently or temporarily) and is equipped for use as a conveyance on streets and highways; or

(B)  A trailer or a semitrailer whose chassis and exterior shell is designed and constructed for use as a house trailer, as defined in subparagraph (A) of this paragraph, but which is used instead permanently or temporarily for advertising, sales display or promotion of merchandise or services, or for any other commercial purpose except the transportation of property for hire or the transportation of property for distribution by a private carrier.

(xvi)  "Implement of husbandry" means a vehicle designed and used exclusively for agricultural operations and only incidentally operated or moved upon a highway;

(xvii)  "Intersection" means:

(A)  The area embraced within the prolongation or connection of the lateral curb lines, or, if none, then the lateral boundary lines of the roadways of two (2) highways which join one another at, or approximately at, right angles, or the area within which vehicles traveling upon different highways joining at any other angle may come in conflict;

(B)  Where a highway includes two (2) roadways thirty (30) feet or more apart, then every crossing of each roadway of such divided highway by an intersecting highway shall be regarded as a separate intersection. In the event such intersecting highway also includes two (2) roadways thirty (30) feet or more apart, then every crossing of two (2) roadways of such highway shall be regarded as a separate intersection;

(C)  The junction of an alley with a street or highway does not constitute an intersection.

(xviii)  "Laned roadway" means a roadway which is divided into two (2) or more clearly marked lanes for vehicular traffic;

(xix)  "Local authorities" means every county, municipal and other local board or body having authority to enact laws relating to traffic under the constitution and laws of this state;

(xx)  "Metal tire" means every tire the surface of which in contact with the highway is wholly or partly of metal or other hard nonresilient material;

(xxi)  "Moped" means a motor-driven cycle both with foot pedals to permit muscular propulsion by human power and with a motor which produces no more than two (2) brake horsepower and which is capable of propelling the vehicle at a maximum speed of no more than thirty (30) miles per hour on a level road surface. If an internal combustion engine is used, the displacement shall not exceed more than fifty (50) cubic centimeters and the moped shall have a power drive system that functions directly or automatically without clutching or shifting by the driver after the drive system is engaged. "Moped" does not include an electric bicycle;

(xxii)  "Motorcycle" means any motor vehicle having a seat or saddle for the use of the rider and designed to travel on not more than three (3) wheels in contact with the ground, excluding off-road recreation vehicles as defined in W.S. 31-1-101(a)(xv)(K) and electric bicycles, but including a motor vehicle designed as a recreational vehicle primarily for off-road use to be ridden astride and to travel on four (4) wheels;

(xxiii)  "Motor-driven cycle" means any motorcycle, including motor scooters and motorized bicycles having an engine with less than one hundred fifty (150) cubic centimeters displacement or with five (5) brake horsepower or less but does not include motorized skateboards or electric bicycles;

(xxiv)  "Motor vehicle" means every vehicle which is self-propelled except vehicles moved solely by human power, electric bicycles and motorized skateboards as defined by paragraph (a)(lxii) of this section;

(xxv)  "Official traffic-control devices" means all signs, signals, markings and devices not inconsistent with this act placed or erected by authority of a public body or official having jurisdiction, for the purpose of regulating, warning or guiding traffic;

(xxvi)  "Owner" means a person who holds the legal title of a vehicle or if a vehicle is the subject of an agreement for the conditional sale or lease thereof with the right of purchase upon performance of the conditions stated in the agreement and with an immediate right of possession vested in the conditional vendee or lessee, or if a mortgagor of a vehicle is entitled to possession, then the conditional vendee or lessee or mortgagor shall be deemed the owner for the purpose of this act;

(xxvii)  "Park" when prohibited, means the standing of a vehicle, whether occupied or not, otherwise than temporarily for the purpose of and while actually engaged in loading or unloading;

(xxviii)  "Pedestrian" means any person afoot;

(xxix)  "Pedestrian vehicle" means any self-propelled conveyance designed, manufactured and intended for the exclusive use of persons with a physical disability, but in no case shall the vehicle:

(A)  Exceed forty-eight (48) inches in width.

(B)  Repealed by Laws 1989, ch. 155, § 2.

(C)  Repealed by Laws 1989, ch. 155, § 2.

(xxx)  "Physical disability" means any bodily impairment which precludes a person from walking or otherwise moving about easily as a pedestrian;

(xxxi)  "Pneumatic tire" means every tire in which compressed air is designed to support the load;

(xxxii)  "Pole trailer" means every vehicle without motive power designed to be drawn by another vehicle and attached to the towing vehicle by means of a reach, or pole, or by being boomed or otherwise secured to the towing vehicle, and ordinarily used for transporting long or irregularly shaped loads as poles, pipes or structural members capable, generally, of sustaining themselves as beams between the supporting connections;

(xxxiii)  "Police officer" means every officer authorized to direct or regulate traffic or to make arrests for violations of traffic regulations;

(xxxiv)  "Private road or driveway" means every way or place in private ownership and used for vehicular travel by the owner and those having express or implied permission from the owner, but not by other persons;

(xxxv)  "Railroad" means a carrier of persons or property upon cars, other than streetcars, operated upon stationary rails;

(xxxvi)  "Railroad sign or signal" means any sign, signal or device erected by authority of a public body or official or by a railroad and intended to give notice of the presence of railroad tracks or the approach of a railroad train or other on-track equipment;

(xxxvii)  "Railroad train" means a steam engine, electric or other motor, with or without cars coupled thereto, operated upon rails, except streetcars;

(xxxviii)  "Residence district" means the territory contiguous to and including a highway not comprising a business district when the property on the highway for a distance of three hundred (300) feet or more is in the main improved with residences or residences and buildings in use for business;

(xxxix)  "Right-of-way" means the right of one (1) vehicle or pedestrian to proceed in a lawful manner in preference to another vehicle or pedestrian approaching under such circumstances of direction, speed and proximity as to give rise to danger of collision unless one grants precedence to the other;

(xl)  "Roadway" means that portion of a highway improved, designed or ordinarily used for vehicular travel, exclusive of the sidewalk, berm or shoulder. In the event a highway includes two (2) or more separate roadways the term "roadway" as used herein shall refer to any such roadway separately but not to all such roadways collectively;

(xli)  "Safety zone" means the area or space officially set apart within a roadway for the exclusive use of pedestrians and which is protected or is so marked or indicated by adequate signs as to be plainly visible at all times while set apart as a safety zone;

(xlii)  "School bus" means every motor vehicle that complies with the color and identification requirements set forth in the most recent edition of "Minimum Standards for School Buses" and is used to transport children to or from school, but not including buses operated by common carriers in urban transportation of school children;

(xliii)  "Semitrailer" means every vehicle with or without motive power, other than a pole trailer, designed for carrying persons or property and for being drawn by a motor vehicle and so constructed that some part of its weight and that of its load rests upon or is carried by another vehicle;

(xliv)  "Sidewalk" means that portion of a street between curb lines, or the lateral lines of a roadway, and the adjacent property lines, intended for use of pedestrians;

(xlv)  "Snowmobile" means any mechanically driven vehicle of a type which utilizes sleet type runners, or skis or any endless belt tread or combination of these, designed primarily for operation over snow;

(xlvi)  "Solid tire" means every tire of rubber or other resilient material which does not depend upon compressed air for the support of the load;

(xlvii)  "Stop" when required means complete cessation from movement;

(xlviii)  "Stop, stopping or standing" when prohibited means any stopping or standing of a vehicle, whether occupied or not, except when necessary to avoid conflict with other traffic or in compliance with the directions of a police officer or traffic-control sign or signal;

(xlix)  "Street or highway" means the entire width between the boundary lines of every way publicly maintained or if not publicly maintained, dedicated to public use when any part thereof is open to the use of the public for purposes of vehicular travel;

(l)  "Superintendent" means the director of the department of transportation;

(li)  "Through highway" means every highway or portion thereof on which vehicular traffic is given preferential right-of-way, and at the entrances to which vehicular traffic from intersecting highways is required by law to yield the right-of-way to vehicles on the through highway in obedience to a stop sign, yield sign or other official traffic control devices, when the signs or devices are erected as provided in this act;

(lii)  "Traffic" means pedestrians, ridden or herded animals, vehicles and other conveyances either singly or together while using any highway for purposes of travel;

(liii)  "Traffic-control signal" means any device, whether manually, electrically or mechanically operated, by which traffic is alternately directed to stop and permitted to proceed;

(liv)  "Trailer" means every vehicle with or without motive power, other than a pole trailer, designed for carrying persons or property and for being drawn by a motor vehicle and so constructed that no part of its weight and that of its load rests upon or is carried by another vehicle;

(lv)  "Truck" means every motor vehicle designed, used or maintained primarily for the transportation of property;

(lvi)  "Truck tractor" means every motor vehicle designed and used primarily for drawing other vehicles and not so constructed as to carry a load other than a part of the weight of the vehicle and load so drawn;

(lvii)  "Urban district" means the territory contiguous to and including any public street or highway which is built up with structures devoted to business, industry or dwelling houses situated at intervals of less than one hundred (100) feet for a distance of a quarter of a mile or more;

(lviii)  "Vehicle" means every device, in, upon, or by which any person or property is or may be transported or drawn upon a highway, except devices used exclusively upon stationary rails or tracks;

(lix)  Repealed By Laws 2024, ch. 82, § 2.

(lx)  "Emergency services" means fire fighting, first aid, medical services, rescue, transportation and other related activities necessary to ensure the health or safety of a person or property in imminent peril;

(lxi)  "Golf cart" means a motor vehicle which:

(A)  Has not less than three (3) wheels in contact with the ground;

(B)  Has an unladen weight of less than one thousand three hundred (1,300) pounds;

(C)  Is designed to be or is operated at not more than fifteen (15) miles per hour;

(D)  Is designed to carry golf equipment and not more than four (4) persons including the driver; and

(E)  Is being used to transport an occupant directly to, or from or on a golf course, or is being used for special events or circumstances authorized by the city, town or county.

(lxii)  "Motorized skateboard" means a self-propelled device which has a motor or engine, a deck on which a person may ride and at least two (2) wheels in contact with the ground and which is not otherwise defined in this act as a "motor vehicle", "motorcycle", "motor-driven cycle" or "pedestrian vehicle";

(lxiii)  "Multipurpose vehicle" means as defined in W.S. 31-1-101(a)(xv)(M);

(lxiv)  "Paved" means a roadway which is covered by hot-rolled asphalt or concrete but is not constructed solely of recycled asphalt;

(lxv)  "Unpaved" means a roadway which is not paved;

(lxvi)  "Subdivision" means a portion of land for which a subdivision permit has been issued pursuant to W.S. 18-5-304;

(lxvii)  "Autocycle" means as defined in W.S. 31-1-101(a)(xv)(Q);

(lxviii)  "Electric bicycle" means as defined in W.S. 31-1-101(a)(xxxiv);

(lxix)  "High occupancy vehicle" means a vehicle occupied by not fewer than two (2) persons or as provided by department rule;

(lxx)  "High occupancy vehicle lane" means any preferential lane designated for exclusive use by high occupancy vehicles at times as indicated by official traffic-control devices;

(lxxi)  "Public transportation vehicle" means:

(A)  A vehicle that provides transportation by bus or other conveyance to the general public with general or special service on a regular and continuing basis or that provides transportation to or from public or private primary, secondary or tertiary schools; and

(B)  A vehicle that:

(I)  Is owned or operated by a public entity;

(II)  Is operated under a contract with a public entity; or

(III)  Is operated pursuant to a license by a public entity to provide bus or school bus services to the public.

(lxxii)  "This act" means W.S. 31-5-101 through 31-5-1701.

(a)  The provisions of this act relating to the operation of vehicles refer exclusively to the operation of vehicles upon highways except:

(i)  Where a different place is specifically referred to in a given section;

(ii)  The provisions of W.S. 31-5-225, 31-5-229, 31-5-233 and 31-5-1101 through 31-5-1112 apply upon highways and elsewhere throughout the state.

(a)  The provisions of this act applicable to the drivers of vehicles upon the highways shall apply to the drivers of all vehicles owned and operated by the United States, this state, or any county, city, town, special district or any other political subdivision of the state, except as provided in this section and subject to such specific exceptions as are set forth in this act with reference to authorized emergency vehicles.

(b)  Unless specifically made applicable, the provisions of this act except those contained in W.S. 31-5-225, 31-5-229, 31-5-233 and 31-5-236 do not apply to persons, motor vehicles and equipment while actually engaged in work upon a highway but shall apply to the persons and vehicles when traveling to or from work.

(a)  Except as provided in subsection (c) of this section, the driver of an authorized emergency vehicle, when responding to an emergency call or when in pursuit of an actual or suspected violator of the law or when responding to but not upon returning from a fire alarm, may:

(i)  Park or stand, irrespective of the provisions of this act;

(ii)  Proceed past a red or stop signal or stop sign, but only after slowing down as may be necessary for safe operation;

(iii)  Exceed the maximum speed limits so long as he does not endanger life or property;

(iv)  Disregard regulations governing direction of movement, high occupancy vehicle lanes or turning in specified directions.

(b)  This section does not relieve the driver of an authorized emergency vehicle from the duty to drive with due regard for the safety of all persons, nor shall this section protect the driver from the consequences of his reckless disregard for the safety of others.

(c)  Paragraphs (a)(ii) and (iii) of this section do not apply to a driver of a wrecker, tow truck or other vehicle as defined in W.S. 31-5-102(a)(ii)(C).

(a)  This act does not prevent local authorities with respect to streets and highways under their jurisdiction and within the reasonable exercise of the police power from:

(i)  Regulating or prohibiting stopping, standing or parking;

(ii)  Regulating traffic by means of police officers, authorized flagmen or official traffic-control signals;

(iii)  Regulating or prohibiting processions or assemblages on the highways;

(iv)  Designating particular highways or roadways for use by traffic moving in one (1) direction as authorized by W.S. 31-5-208;

(v)  Repealed By Laws 2002, Ch. 68, § 2.

(vi)  Designating any highway as a through highway or designating any intersection or junction of roadways as a stop or yield intersection or junction;

(vii)  Regulating the operation of bicycles and electric bicycles and requiring the registration and licensing of bicycles and electric bicycles, including the requirement of a registration fee;

(viii)  Regulating or prohibiting the turning of vehicles or specified types of vehicles;

(ix)  Altering or establishing speed limits as authorized by this act;

(x)  Requiring written accident reports as authorized by W.S. 31-5-1106;

(xi)  Designating no-passing zones as authorized in W.S. 31-5-207;

(xii)  Prohibiting or regulating the use of controlled-access roadways by any class or kind of traffic as authorized in W.S. 31-5-213;

(xiii)  Prohibiting or regulating the use of heavily traveled streets by any class or kind of traffic found to be incompatible with the normal and safe movement of traffic;

(xiv)  Establishing minimum speed limits as authorized by W.S. 31-5-304(b);

(xv)  Designating and regulating traffic on play streets;

(xvi)  Regulating persons propelling push carts;

(xvii)  Regulating persons upon skates, coasters, sleds, motorized skateboards and other toy vehicles;

(xviii)  Adopting and enforcing such temporary or experimental regulations as may be necessary to cover emergencies or special conditions;

(xix)  Prohibiting drivers of ambulances from exceeding maximum speed limits;

(xx)  Adopting such other traffic regulations as are specifically authorized by this act.

(b)  No local authority shall erect or maintain any official traffic-control device at any location so as to require the traffic on any state highway to stop before entering or crossing any intersecting highway unless approval in writing has first been obtained from the highway department.

(c)  No ordinance or regulation enacted under paragraphs (a)(iv), (v), (vi), (viii), (ix), (x), (xiii) or (xv) of this section is effective until official traffic-control devices giving notice of the local traffic regulations are erected upon or at the entrances to the highway or part thereof affected as may be most appropriate.

(a)  Except as otherwise provided, local authorities shall not require any person to pay any fee or license for the use or exclude any person from the free use of the public highways or in any other way regulate the operation of motor vehicles or their speed upon or use of the public highways. Local authorities may, within their legal corporate limits:

(i)  Regulate the operation of vehicles offered for hire, or forming a part of processions, assemblages or parades on public highways or public grounds;

(ii)  Close for a reasonable time a specified highway for speed contests or races, with proper safety restrictions and regulations;

(iii)  Exclude motor vehicles from any cemetery or burial ground; and

(iv)  Exclude motor vehicles used solely for commercial purposes from any park or part of a park system.

(a)  Nothing in this act prevents the owner of real property used by the public for purposes of vehicular travel by permission of the owner, and not as matter of right, from prohibiting the use, or from requiring other or different or additional conditions than those specified in this act, or otherwise regulating use of the real property as determined by the owner.

(b)  With the approval of the board of county commissioners or the local governing body having jurisdiction, the real property owner may reserve parking spaces for the handicapped and erect signs in accordance with W.S. 31-5-501(b). The signs reserving parking spaces for the handicapped under this section shall be enforceable under W.S. 31-5-501(c) or any existing municipal ordinance adopted by the governing body of the municipality with jurisdiction.

(a)  The department shall place and maintain such traffic-control devices, conforming to the department's manual and specifications, upon all state highways as it deems necessary to indicate and to carry out this act or to regulate, warn or guide traffic.

(b)  No local authority shall place or maintain any traffic-control device upon any highway under the jurisdiction of the highway department except with the highway department's permission.

(a)  A person operating a motorcycle shall ride only upon or astride the seat designed to be used by the driver, including a seat that incorporates a wheelchair or other assistive device, and shall not carry any other person nor shall any other person ride on a motorcycle unless the motorcycle is designed to carry more than one (1) person, in which event a passenger may ride upon or astride the regular seat if designed for two (2) persons, or upon another seat firmly attached to the motorcycle at the rear or side of the operator.

(b)  A person shall ride a motorcycle only upon or astride a seat designed to be used by the driver or, if the person is a passenger, a seat designed to be used by a passenger. If the seat is a saddle, a person shall only sit astride the saddle, facing forward, with one (1) leg on each side of the motorcycle.

(c)  No person shall operate a motorcycle while carrying any package, bundle or other article which prevents him from keeping both hands on the handlebars, or obstructs his vision, or interferes with the operation of the motorcycle.

(d)  No operator shall carry any person, nor shall any person ride in a position that will interfere with the operation or control of the motorcycle or the view of the operator.

(e)  All motorcycles are entitled to full use of a lane and no motor vehicle shall be driven in such a manner as to deprive any motorcycle of the full use of a lane. Two (2) motorcycles may be driven abreast in the same lane by consent of both motorcycle drivers. One (1) autocycle may be driven per lane.

(f)  The operator of a motorcycle shall not overtake and pass any vehicle in the same lane occupied by the vehicle being overtaken, except another motorcycle. The operator of a motorcycle overtaking another motorcycle in the same lane shall first match the speed of the motorcycle being overtaken.

(g)  No person shall operate a motorcycle between lanes of traffic or between adjacent lines or rows of vehicles.

(h)  Subsections (f) and (g) of this section do not apply to police officers in the performance of their official duties.

(j)  Motorcycles shall not be operated three (3) or more abreast in a single lane.

(k)  No person riding upon a motorcycle shall attach himself or the motorcycle to any other moving vehicle on a roadway. This does not prohibit:

(i)  Attaching a motorcycle trailer or motorcycle semitrailer to a motorcycle if the trailer or semitrailer is designed for the attachment;

(ii)  Attaching a person, wheelchair or other assistive device as defined in W.S. 31-1-101(a)(xxxiii) to a motorcycle if the motorcycle is designed for the attachment.

(m)  Any motorcycle carrying a passenger, other than in a sidecar or enclosed cab, shall be equipped with footrests for the passenger.

(n)  Repealed by Laws 2022, ch. 44, § 2.

(o)  No minor shall operate or ride nor shall the operator permit a minor to ride upon a motorcycle unless he is wearing protective headgear securely fastened on his head, and of a type which complies with standards established by the superintendent. This subsection does not apply to persons riding within an enclosed cab nor to persons operating or riding a moped. This subsection only applies to motorcycles used on public highways, streets and thoroughfares.

(p)  Any person operating a motorcycle or pedestrian vehicle shall have the headlamps of the motorcycle or pedestrian vehicle activated at all times, including daylight hours.

(q)  Operators of motorcycles operating in an officially authorized parade are exempt from subsections (e) through (o) of this section.

(r)  The superintendent is authorized to approve or disapprove protective headgear required herein, and to issue and enforce regulations establishing standards and specifications for the approval thereof and to the sale and use of the equipment as provided in W.S. 31-5-932 through 31-5-934 for other vehicle safety equipment. The standard for protective headgear shall meet or exceed the Z90.1-1971 standard of the American National Standards Institute. However, all existing equipment meeting the Z90.1-1966 standard of the American National Standards Institute shall be accepted.

(s)  This section applies to motor-driven cycles unless otherwise provided.

(t)  Subsections (b) through (d), (n), (o) and (r) of this section shall not apply to autocycles.

(a)  No person shall drive a vehicle when it is loaded, or when there are in the front seat enough people, exceeding three (3), to obstruct the view of the driver to the front or sides of the vehicle or to interfere with the driver's control over the driving mechanism of the vehicle.

(b)  No passenger in a vehicle shall ride in such position as to interfere with the driver's view ahead or to the sides, or to interfere with his control over the driving mechanism of the vehicle.

(a)  Except in the process of highway construction or repair, any person who drops, or permits to be dropped or thrown, upon a highway any material shall immediately remove the material or cause it to be removed.

(b)  Any person removing a wrecked or damaged vehicle from a highway shall remove any glass or other substance dropped upon the highway from the vehicle.

(a)  The state superintendent of public instruction shall adopt and enforce regulations not inconsistent with this act to govern the design and operation of all school buses used for the transportation of school children when owned and operated by any school district or privately owned and operated under contract with any school district in this state and the regulations shall by reference be made a part of any contract with a school district. Every school district, its officers and employees, and every person employed under contract by a school district shall be subject to the regulations.

(b)  Any officer or employee of any school district who violates any of the regulations or fails to include obligation to comply with the regulations in any contract executed by him on behalf of a school district is guilty of misconduct and subject to removal from office or employment. Any person operating a school bus under contract with a school district who fails to comply with the regulations is guilty of breach of contract and the contract shall be cancelled after notice and hearing by the responsible officers of the school district.

(a)  No person riding upon any bicycle, electric bicycle, coaster, roller skates, sled or toy vehicle shall attach it or himself to any vehicle upon a roadway.

(b)  This section does not prohibit attaching a bicycle trailer or bicycle semitrailer to a bicycle or electric bicycle if the trailer or semitrailer was designed for the attachment.

(c)  No person operating a vehicle shall permit a passenger to ride on the fender or running board of the vehicle nor shall any passenger ride on the fender or running board of a vehicle. This subsection does not apply to a commercial vehicle or a vehicle operated by or for a political subdivision of this state designed to permit a passenger to ride on a fender or running board, such as a fire department or trash collection truck.

(a)  A funeral procession led by a funeral car or escorted by a police vehicle and displaying flashing lights authorized under W.S. 31-5-928 has the right-of-way in the lane or portion of the roadway upon which it is traveling subject to the following:

(i)  The driver of the lead vehicle of the procession shall comply with all traffic control devices except when otherwise directed by a law enforcement officer. Vehicles in the procession displaying headlamps may follow the lead vehicle without stopping at stop signs or traffic signals. Vehicles in the procession shall yield the right-of-way to authorized emergency vehicles;

(ii)  Vehicles in a funeral procession shall be driven on the right-hand side of the roadway and, if a laned roadway, in the right-hand lane nearest the right-hand edge of the roadway.

(b)  Drivers of oncoming vehicles are required to yield the right-of-way to funeral processions.

(a)  No person shall operate an off-road recreational vehicle as defined in W.S. 31-1-101(a)(xv)(K) upon public streets or highways except:

(i)  For incidental operation of vehicles specified in W.S. 31-1-101(a)(xv)(K), upon a public street or highway located outside the limits of an incorporated municipality pursuant to agricultural operations as defined in W.S. 31-18-801(a)(i). An off-road recreational vehicle operated upon a public street or highway under this paragraph is subject to the same equipment requirements under this act as an implement of husbandry, except that vehicles specified in W.S. 31-1-101(a)(xv)(K)(II), when operated pursuant to this paragraph, shall:

(A)  Wherever practicable, only be operated off the main traveled portion of the roadway. 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;

(B)  If the operator is a minor, or if a minor is a rider, be operated with a helmet in accordance with W.S. 31-5-115(o);

(C)  Be operated only by a person who possesses a valid driver's license with a motorcycle endorsement pursuant to W.S. 31-7-109(d)(vi).

(ii)  For operation of a vehicle in accordance with the provisions of W.S. 31-5-1601;

(iii)  For 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.

(b)  Multipurpose vehicles may be operated on public streets or highways, subject to the following:

(i)  Multipurpose vehicles shall not be operated on interstate highways;

(ii)  If a multipurpose vehicle is incapable of achieving the maximum speed allowed on the specific highway, it shall be operated on the extreme right hand edge of the roadway and shall be equipped with either a reflectorized flag as described in W.S. 31-5-960(a)(vi) or a slow moving vehicle emblem as described in W.S. 31-5-921(h);

(iii)  Multipurpose vehicles designed for operation at speeds less than twenty-five (25) miles per hour shall be equipped with a slow moving vehicle emblem as described in W.S. 31-5-921(h).

(c)  Off-road recreational vehicles shall not be operated on the roadway or right-of-way of an interstate highway except in accordance with W.S. 31-5-1601(e).