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2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-209 - Driving on Roadways Laned for Traffic.

31-5-209. Driving on roadways laned for traffic.
(a) Whenever any roadway has been divided into two (2) or more clearly marked lanes for traffic the following rules in addition to all others consistent herewith shall apply:
(i) A vehicle shall be driven as nearly as practicable entirely within a single lane and shall not be moved from the lane until the driver has first ascertained that the movement can be made with safety;
(ii) Upon a roadway which is divided into three (3) lanes and provides for two-way movement of traffic, a vehicle shall not be driven in the center lane except when overtaking and passing another vehicle traveling in the same direction when the center lane is clear of traffic within a safe distance, or in preparation for making or completing a left turn or where the center lane is at the time allocated exclusively to traffic moving in the direction the vehicle is proceeding and the allocation is designated by official traffic-control devices;
(iii) Official traffic-control devices may be erected directing specified traffic to use a designated lane or designating those lanes to be used by traffic moving in a particular direction regardless of the center of the roadway and drivers of vehicles shall obey the directions of every such device;
(iv) Official traffic-control devices may be installed prohibiting the changing of lanes on sections of roadways and drivers of vehicles shall obey the directions of every such device.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-210 - Following Too Closely.

31-5-210. Following too closely.
(a) The driver of a vehicle shall not follow another vehicle more closely than is reasonable and prudent, having due regard for the speed of the vehicles and the traffic upon and the condition of the highway.
(b) The driver of any vehicle when traveling upon a roadway outside of a business or residence district, and which is following another vehicle shall, whenever conditions permit, leave sufficient space so that an overtaking vehicle may enter and occupy the space without danger.
(c) Motor vehicles being driven upon any roadway outside of a business or residence district in a caravan or motorcade whether or not towing other vehicles shall be so operated as to allow sufficient space between each vehicle or combination of vehicles so as to enable any other vehicle to enter and occupy such space without danger. This provision shall not apply to funeral processions.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-211 - Driving on Divided Highways.

31-5-211. Driving on divided highways.
Whenever any highway has been divided into two (2) or more roadways by leaving an intervening space or by a physical barrier or clearly indicated dividing section so constructed as to impede vehicular traffic, every vehicle shall be driven only upon the right-hand roadway unless directed or permitted to use another roadway by official traffic-control devices or police officers. No vehicle shall be driven over, across or within any dividing space, barrier or section except through an opening in the physical barrier or dividing section or space or at a cross-over or intersection as established, unless specifically permitted by public authority.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-212 - Driving Onto or From Controlled-Access Highways.

31-5-212. Driving onto or from controlled-access highways.
No person shall drive a vehicle onto or from any controlled-access highway except at such entrances and exits as are established by public authority.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-213 - Restrictions on Use of Controlled-Access Highways.

31-5-213. Restrictions on use of controlled-access highways.
(a) The department may by rule or regulation, and local authorities may by ordinance, with respect to any controlled-access highway under their respective jurisdictions prohibit or regulate the use of the highway by any class or kind of traffic which is found to be incompatible with the normal and safe movement of traffic.
(b) The department or the local authority adopting any prohibitory regulation under subsection (a) of this section shall erect and maintain official traffic-control devices on the controlled-access highway on which the regulations are applicable and when so erected no person shall disobey the restrictions stated on the devices.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-214 - Required Position and Method of Turning at Intersections.

31-5-214. Required position and method of turning at intersections.
(a) The driver of a vehicle intending to turn shall do so as follows:
(i) 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;
(ii) Left turns: The driver of a vehicle intending to turn left shall approach the turn in the extreme left-hand lane lawfully available to traffic moving in the direction of travel of the vehicle. Whenever practicable the left turn shall be made to the left of the center of the intersection and so as to leave the intersection or other location in the extreme left-hand lane lawfully available to traffic moving in the same direction as the vehicle on the roadway being entered;
(iii) Two-way left turn lanes: Where a special lane for making left turns by drivers proceeding in opposite directions has been indicated by official traffic-control devices:
(A) A left turn shall not be made from any other lane;
(B) A vehicle shall not be driven in the lane except when preparing for making a left turn from or onto the roadway or when preparing for a U-turn when otherwise permitted by law.
(b) The highway department and local authorities in their respective jurisdictions may cause official traffic-control devices to be placed and thereby require and direct that a different course from that specified in this section be traveled by turning vehicles and when the devices are so placed no driver shall turn a vehicle other than as directed and required by the devices.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-215 - Limitations on Turning Around.

31-5-215. Limitations on turning around.
(a) The driver of a vehicle shall not turn the vehicle so as to proceed in the opposite direction unless the movement can be made in safety and without interfering with other traffic.
(b) 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 the vehicle cannot be seen by the driver of any other vehicle approaching from either direction within five hundred (500) feet.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-217 - Turning Movements and Required Signals.

31-5-217. Turning movements and required signals.
(a) No person shall turn a vehicle or move right or left upon a roadway unless and until the movement can be made with reasonable safety nor without giving an appropriate signal in the manner provided by this section.
(b) A signal of intention to turn right or left when required shall be given continuously during not less than the last one hundred (100) feet traveled by the vehicle before turning.
(c) No person shall stop or suddenly decrease the speed of a vehicle without first giving an appropriate signal required by this act to the driver of any vehicle immediately to the rear when there is opportunity to give the signal.
(d) The signals required on vehicles by W.S. 31-5-218(b) shall not be flashed on one (1) side only on a disabled vehicle, flashed as a courtesy or "do pass" signal to operators of other vehicles approaching from the rear, nor be flashed on one (1) side only of a parked vehicle except as may be necessary for compliance with this section.
(e) No person shall drive a motor vehicle upon private or public property to gain access to another roadway for the purpose of avoiding a traffic-control device.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-218 - Signals by Hand and Arm or Signal Lamps.

31-5-218. Signals by hand and arm or signal lamps.
(a) Any stop or turn signal when required under this act shall be given either by means of the hand and arm or by signal lamps, except as otherwise provided in subsection (b) of this section.
(b) Any motor vehicle in use on a highway shall be equipped with, and required signal shall be given by, signal lamps when the distance from the center of the top of the steering post to the left outside limit of the body, cab or load of the motor vehicle exceeds twenty-four (24) inches, or when the distance from the center of the top of the steering post to the rear limit of the body or load thereof exceeds fourteen (14) feet. The latter measurement shall apply to any single vehicle and to any combination of vehicles.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-219 - Manner of Giving Hand and Arm Signals.

31-5-219. Manner of giving hand and arm signals.
(a) All signals required under this act given by hand and arm shall be given from the left side of the vehicle in the following manner and the signals shall indicate as follows:
(i) Left turn: Hand and arm extended horizontally;
(ii) Right turn: Hand and arm extended upward;
(iii) Stop or decrease speed: Hand and arm extended downward.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-220 - Approaching or Entering Intersection.

31-5-220. Approaching or entering intersection.
(a) The driver of a vehicle approaching an intersection shall yield the right-of-way to a vehicle which has entered the intersection from a different highway.
(b) When two (2) vehicles enter an intersection from different highways at approximately the same time, the driver of the vehicle on the left shall yield the right-of-way to the vehicle on the right.
(c) The right-of-way rules declared in subsections (a) and (b) of this section are modified at through highways and otherwise as stated in this act.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-221 - Turning Left at Intersection.

31-5-221. Turning left at intersection.
The driver of a vehicle intending to turn to the left shall yield the right-of-way to any vehicle approaching from the opposite direction which is within the intersection or so close thereto as to constitute an immediate hazard.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-222 - Stop Signs and Yield Signs.

31-5-222. Stop signs and yield signs.
(a) Preferential right-of-way may be indicated by stop signs or yield signs as authorized in W.S. 31-5-503.
(b) Except when directed to proceed by a police officer, every driver of a vehicle approaching a stop sign shall stop at a clearly marked stop line, but if none, before entering the crosswalk on the near side of the intersection, or if none, then at the point nearest the intersecting roadway where the driver has a view of approaching traffic on the intersecting roadway before entering it. After having stopped the driver shall yield the right-of-way to any vehicle in the intersection or approaching on another roadway so closely as to constitute an immediate hazard during the time when the driver is moving across or within the intersection or junction of roadways. The driver shall yield the right-of-way to pedestrians within an adjacent crosswalk.
(c) The driver of a vehicle approaching a yield sign shall in obedience to the sign slow down to a speed reasonable for the existing conditions and, if required for safety to stop, shall stop at a clearly marked stop line, but if none, before entering the crosswalk on the near side of the intersection, or if none, then at the point nearest the intersecting roadway where the driver has a view of approaching traffic on the intersecting roadway before entering it. After slowing or stopping, the driver shall yield the right-of-way to any vehicle in the intersection or approaching on another roadway so closely as to constitute an immediate hazard during the time the driver is moving across or within the intersection or junction of roadways. The driver shall yield the right-of-way to pedestrians within an adjacent crosswalk. If the driver is involved in a collision with a pedestrian in a crosswalk or a vehicle in the intersection or junction of roadways, after driving past a yield sign without stopping, the collision shall be deemed prima facie evidence of his failure to yield the right-of-way.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-223 - Entering or Crossing Roadway.

31-5-223. Entering or crossing roadway.
The driver of a vehicle about to enter or cross a roadway from any place other than another roadway shall yield the right-of-way to all vehicles approaching on the roadway to be entered or crossed.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-224 - Operation of Vehicles Upon Approach of Authorized Emergency Vehicles and Other Parked or Slow-Moving Vehicles.

31-5-224. Operation of vehicles upon approach of authorized emergency vehicles and other parked or slow-moving vehicles.
(a) Upon the immediate approach of an authorized emergency vehicle making use of audible or visual signals meeting the requirements of W.S. 31-5-928 and 31-5-952, the driver of every other vehicle shall yield the right-of-way and shall immediately drive to a position parallel to, and as close as possible to, the right-hand edge or curb of the roadway clear of any intersection and shall stop and remain in that position until the authorized emergency vehicle has passed, except when otherwise directed by a police officer. When an authorized emergency vehicle making use of any visual signals provided for in W.S. 31-5-928(d) is parked, the driver of every other vehicle, as soon as it is safe:
(i) When driving on an interstate highway or other highway with two (2) or more lanes traveling in the direction of the emergency vehicle, shall merge into the lane farthest from the emergency vehicle or at least one (1) lane of traffic apart from the emergency vehicle, except when otherwise directed by a police officer;
(ii) When driving on a two (2) lane road with a posted speed limit of forty-five (45) miles per hour or greater, shall slow to a speed that is twenty (20) miles per hour less than the posted speed limit, except when otherwise directed by a police officer.
(b) When an authorized municipal, public utility or highway construction or maintenance vehicle is stopped or is moving at less than twenty (20) miles per hour on or within three (3) feet of a roadway and is making use of any visual signals provided for in W.S. 31-5-928(d), (f)(ii), (h) or 31-5-930, the driver of every other vehicle, as soon as it is safe:
(i) When driving on an interstate highway or other highway with two (2) or more lanes traveling in the same direction of the municipal, public utility or highway construction or maintenance vehicle, shall merge into the lane farthest from the vehicle or at least one (1) lane of traffic apart from the vehicle except when otherwise directed by a police officer;
(ii) When driving on a two (2) lane road with a posted speed limit of forty-five (45) miles per hour or greater, shall slow to a speed that is twenty (20) miles per hour less than the posted speed limit, except when otherwise directed by a police officer.
(c) This section shall not operate to relieve the driver of an authorized emergency vehicle, municipal, public utility or highway construction or maintenance vehicle from the duty to drive with due regard for the safety of all persons using the highway.
(d) For purposes of this section, "public utility" means as defined in W.S. 37-1-101(a)(vi).
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-225 - Fleeing or Attempting to Elude Police Officers; Penalty.

31-5-225. Fleeing or attempting to elude police officers; penalty.
(a) Any driver of a motor vehicle who willfully fails or refuses to bring his vehicle to a stop, or who otherwise flees or attempts to elude a pursuing police vehicle, when given visual or audible signal to bring the vehicle to a stop, is guilty of a misdemeanor. The signal given by the police officer may be by hand, voice, emergency light or siren. The officer giving the signal shall be in uniform, prominently displaying his badge of office, and his vehicle shall be appropriately marked showing it to be an official police vehicle.
(b) Except as provided in subsection (d) of this section, every person convicted of fleeing or attempting to elude a police officer shall be punished by a fine of not more than seven hundred fifty dollars ($750.00), or by imprisonment for not more than six (6) months, or both.
(c) A driver commits aggravated fleeing or attempting to elude a police officer if:
(i) The driver has previously been convicted of fleeing or eluding a police officer under either subsection (a) of this section or this subsection; or
(ii) In the course of committing a violation under subsection (a) of this section the driver:
(A) Attempts to cause or intentionally or knowingly causes bodily injury to any other person; or
(B) Causes property damage to the property of any other person in an amount exceeding ten thousand dollars ($10,000.00).
(d) Every person convicted of aggravated fleeing or attempting to elude a police officer shall be guilty of a felony and shall be punished by a fine of not more than five thousand dollars ($5,000.00) or by imprisonment for not more than five (5) years, or both.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-226 - Limitations on Backing.

31-5-226. Limitations on backing.
(a) The driver of a vehicle shall not back the vehicle unless the movement can be made with safety and without interfering with other traffic.
(b) The driver of a vehicle shall not back the vehicle upon any shoulder or roadway of any controlled-access highway.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-227 - Driving Through Defiles or Canyons or on Mountain Highways.

31-5-227. Driving through defiles or canyons or on mountain highways.
The driver of a motor vehicle traveling through defiles or canyons or on mountain highways shall hold the motor vehicle under control and as near the right-hand edge of the highway as reasonably possible and, except when driving entirely to the right of the center of the roadway, shall give audible warning with the horn of the motor vehicle upon approaching any curve where the view is obstructed within a distance of two hundred (200) feet along the highway.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-228 - Loads on Vehicles.

31-5-228. Loads on vehicles.
No vehicle shall be driven or moved on any highway unless the vehicle is so constructed or loaded as to prevent any of its load from dropping, sifting, leaking or otherwise escaping therefrom. This section does not prohibit the necessary spreading of any substance in highway maintenance or construction operations.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-229 - Reckless Driving.

31-5-229. Reckless driving.
Any person who drives any vehicle in willful or wanton disregard for the safety of persons or property is guilty of reckless driving.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-230 - Coasting.

31-5-230. Coasting.
(a) The driver of any motor vehicle when traveling upon a downgrade shall not coast with the gears or transmission of the vehicle in neutral.
(b) The driver of a truck or bus when traveling upon a downgrade shall not coast with the clutch disengaged.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-231 - Following Fire Apparatus.

31-5-231. Following fire apparatus.
The driver of any vehicle other than one on official business shall not follow any fire apparatus traveling in response to a fire alarm closer than five hundred (500) feet or stop the vehicle within five hundred (500) feet of any fire apparatus stopped in answer to a fire alarm.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-232 - Driving Over Fire Hose.

31-5-232. Driving over fire hose.
No vehicle shall be driven over any unprotected hose of a fire department when laid down on any street, private road or driveway to be used at any fire or alarm of fire, without the consent of the fire department official in command.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-236 - Careless Driving.

31-5-236. Careless driving.
Any person who drives any vehicle in a manner inconsistent with the exercise of due and diligent care normally exercised by a reasonably prudent person under similar circumstances and where such operation of a motor vehicle creates an unreasonable risk of harm to other persons or property is guilty of careless driving.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-237 - Use of Handheld Electronic Wireless Communication Devices for Electronic Messaging Prohibited; Exceptions; Penalties.

31-5-237. Use of handheld electronic wireless communication devices for electronic messaging prohibited; exceptions; penalties.
(a) No person shall operate a motor vehicle on a public street or highway while using a handheld electronic wireless communication device to write, send or read a text-based communication. This section shall not apply to a person who is using a handheld electronic wireless communication device:
(i) While the vehicle is lawfully parked;
(ii) To contact an emergency response vehicle;
(iii) To write, read, select or enter a telephone number or name in an electronic wireless communications device for the purpose of making or receiving a telephone call; or
(iv) When using voice operated or hands free technology.
(b) This section shall not apply to a person operating an emergency response vehicle while making communications necessary to the performance of his official duties as an emergency responder.
(c) Any person who operates a motor vehicle in violation of this section is guilty of a misdemeanor punishable by a fine of not more than seventy-five dollars ($75.00).
(d) As used in this section:
(i) "Electronic wireless communication device" means a mobile communication device that uses short-wave analog or digital radio transmissions or satellite transmissions between the device and a transmitter to permit wireless telephone communications to and from the user of the device within a specified area;
(ii) "Emergency response vehicle" means any ambulance, fire department, law enforcement or civil defense vehicle or other vehicle used primarily for emergency purposes;
(iii) "Voice operated or hands free technology" means technology that allows a user to write, send or read a text based communication without the use of either hand except to activate, deactivate or initiate a feature or function;
(iv) "Write, send or read a text-based communication" means using an electronic wireless communications device to manually communicate with any person using text-based communication including, but not limited to, communications referred to as a text message, instant message or electronic mail.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 2 - Operation of Vehicles Generally › Section 31-5-238 - Designated High Occupancy Vehicle Lanes; Exceptions; Penalty.

31-5-238. Designated high occupancy vehicle lanes; exceptions; penalty.
(a) The director or a local authority may designate any part of a roadway or specific lane of a roadway under the director's or local authority's jurisdiction as a high occupancy vehicle lane, except the director or a local authority may not designate the only available lane of travel in a given direction as a high occupancy vehicle lane. At no time shall a high occupancy lane be designated as a toll road.
(b) A vehicle operating in a high occupancy vehicle lane shall be a high occupancy vehicle except:
(i) Motorcycles and public transportation vehicles may operate in a high occupancy vehicle lane regardless of the number of occupants, subject to the other requirements under this act;
(ii) Any vehicle making a turn from a high occupancy vehicle lane, subject to the other requirements under this act.
(c) The department shall implement rules to provide for the design, operation, maintenance and required signage for high occupancy vehicle lanes.
(d) Any person who operates a vehicle in a high occupancy vehicle lane that is not a high occupancy vehicle or that is not a vehicle authorized under subsection (b) of this section is guilty of a misdemeanor punishable by:
(i) For a first conviction, a fine of not more than fifty dollars ($50.00);
(ii) For a second conviction of the same offense within one (1) year thereafter, a fine of not more than one hundred dollars ($100.00);
(iii) For a third or subsequent conviction of the same offense within one (1) year after the first conviction, a fine of not more than one hundred fifty dollars ($150.00).
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 3 - Speed Regulations › Section 31-5-302 - Establishment of Specific Maximum Speed Limits by Superintendent.

31-5-302. Establishment of specific maximum speed limits by superintendent.
Whenever the superintendent determines upon the basis of an engineering and traffic investigation, or in the event of a vehicle or weather emergency, that a maximum speed greater or less than that authorized herein is safe and reasonable under the conditions found to exist at any intersection or other place or upon any part of the state highway system, the superintendent, except as provided for in W.S. 31-5-303(b), may determine and declare a reasonable and safe maximum limit thereat, which shall be effective when appropriate signs giving notice thereof are erected and which shall not exceed eighty (80) miles per hour on interstate highways. The maximum speed limit may be declared to be effective at all times or at such times as are indicated upon the signs and differing limits may be established for different times of day, different types of vehicles, varying weather conditions, and other factors bearing on safe speeds, which shall be effective when posted upon appropriate fixed or variable signs. This section does not grant power to the superintendent to declare statewide or countywide maximum speed limits but grants power to declare maximum speed limits for the public safety in localized geographic areas.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 3 - Speed Regulations › Section 31-5-303 - Establishing Maximum Speed Limits by Local Authorities.

31-5-303. Establishing maximum speed limits by local authorities.
(a) Repealed By Laws 2002, Ch. 68, 2.
(b) In compliance with rules promulgated by the department, local authorities in their respective jurisdictions may determine the proper maximum speed for all streets and highways within their respective corporate jurisdiction which maximum speed is reasonable and safe and which may be greater or less than the maximum speed permitted under this act. The rules promulgated by the department shall adopt standards consistent with national practices.
(c) Any altered limit established under this section shall be effective during hours of darkness or at other times as may be determined when appropriate signs giving notice thereof are erected upon the street or highway.
(d) Any alteration of maximum limits on state highways or extensions thereof in a municipality by local authorities is not effective until the alteration has been approved by the superintendent.
(e) Not more than six (6) alterations authorized under this section shall be made per mile along a street or highway, except in the case of reduced limits at intersections, and the difference between adjacent limits shall not be more than fifteen (15) miles per hour.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 3 - Speed Regulations › Section 31-5-304 - Minimum Speed Limits.

31-5-304. Minimum speed limits.
(a) No person shall drive a motor vehicle at such a slow speed as to impede the normal and reasonable movement of traffic except when reduced speed is necessary for safe operation or in compliance with law.
(b) Whenever the superintendent determines on the basis of an engineering and a traffic investigation that slow speeds on any part of a highway consistently impede the normal and reasonable movement of traffic, the superintendent may determine and declare a minimum speed limit below which no person shall drive a vehicle except when necessary for safe operation or in compliance with law and that limit is effective when posted upon appropriate fixed or variable signs. A local authority may make the determination permitted under this subsection by complying with rules adopted by the department for this purpose, which rules shall adopt standards consistent with national practices.
(c) Notwithstanding any minimum speed that may be authorized and posted pursuant to this section, no person shall operate a vehicle in the extreme left-hand lane of a controlled-access highway for a prolonged period in a manner which impedes the flow of other traffic traveling at a lawful rate of speed.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 3 - Speed Regulations › Section 31-5-305 - Special Speed Limit at Bridges and Other Elevated Structures.

31-5-305. Special speed limit at bridges and other elevated structures.
(a) No person shall drive a vehicle over any bridge or other elevated structure constituting a part of a highway at a speed which is greater than the maximum speed which can be maintained with safety to the bridge or structure when the structure is signposted as provided in this section.
(b) The superintendent and local authorities on highways under their respective jurisdictions may conduct an investigation of any bridge or other elevated structure constituting a part of a highway, and if he or they find that the structure cannot with safety to itself withstand vehicles traveling at the speed otherwise permissible under this act, the superintendent or local authorities shall determine and declare the maximum speed of vehicles which the structure can safely withstand and shall cause or permit suitable signs stating the maximum speed to be erected and maintained before each end of the structure.
(c) Upon the trial of any person charged with a violation of this section, proof of the determination of the maximum speed by the superintendent and the existence of the signs constitutes conclusive evidence of the maximum speed which can be maintained with safety to the bridge or structure.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 3 - Speed Regulations › Section 31-5-306 - Charging Violations; Burden of Proving Proximate Cause.

31-5-306. Charging violations; burden of proving proximate cause.
(a) In every charge of violation of any speed regulation in this act except a charge under W.S. 31-5-301(a) the complaint, also the summons or notice to appear, shall specify the speed at which the defendant is alleged to have driven, also the maximum speed applicable within the district or at the location.
(b) The provision of this act declaring maximum speed limitations shall not be construed to relieve the plaintiff in any action from the burden of proving negligence on the part of the defendant as the proximate cause of an accident.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 4 - Traffic-Control Devices › Section 31-5-401 - Duty of Local Authorities to Place and Maintain.

31-5-401. Duty of local authorities to place and maintain.
Local authorities in their respective jurisdictions shall place and maintain such traffic-control devices upon highways under their jurisdiction as they deem necessary to indicate and to carry out the provisions of this act or local traffic ordinances or to regulate, warn or guide traffic. All traffic-control devices hereafter erected shall conform to the state manual and specifications.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 4 - Traffic-Control Devices › Section 31-5-402 - Obedience to Devices; Exceptions.

31-5-402. Obedience to devices; exceptions.
(a) The driver of any vehicle shall obey the instructions of any official traffic-control device applicable thereto placed or held in accordance with this act unless otherwise directed by a police officer, subject to the exceptions granted the driver of an authorized emergency vehicle in this act.
(b) No provision of this act for which official traffic-control devices are required shall be enforced against an alleged violator if at the time and place of the alleged violation an official device is not in proper position and sufficiently legible to be seen by an ordinarily observant person. Whenever a particular section does not state that signs are required, the section is effective even though no signs are erected or in place.
(c) Whenever official traffic-control devices are placed or held in position approximately conforming to the requirements of this act, the devices are presumed to have been so placed or held by the official act or direction of lawful authority unless the contrary is established by competent evidence.
(d) Any official traffic-control device placed or held pursuant to the provisions of this act and purporting to conform to the lawful requirements pertaining to the devices is presumed to comply with the requirements of this act unless the contrary is established by competent evidence.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 4 - Traffic-Control Devices › Section 31-5-404 - Pedestrian-Control Signals.

31-5-404. Pedestrian-control signals.
(a) Whenever special pedestrian-control signals exhibiting the symbols or words "Walk" or "Don't Walk" are in place the signals shall indicate as follows:
(i) Flashing or steady walk: Any pedestrian facing the signal may proceed across the roadway in the direction of the signal and every driver of a vehicle shall yield the right-of-way to him;
(ii) Flashing or steady don't walk: No pedestrian shall start to cross the roadway in the direction of the signal, but any pedestrian who has partially completed his crossing on the walk signal shall proceed to a sidewalk or safety island while the don't walk signal is showing.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 4 - Traffic-Control Devices › Section 31-5-405 - Flashing Signals.

31-5-405. Flashing signals.
(a) Whenever an illuminated flashing red or yellow signal is used with or in a traffic sign or signal it shall require obedience by vehicular traffic as follows:
(i) Flashing Red (Stop Signal): When a red lens is illuminated with rapid intermittent flashes, drivers of vehicles shall stop at a clearly marked stop line, but if none, before entering the crosswalk on the near side of the intersection, or if none, then at the point nearest the intersecting roadway where the driver has a view of approaching traffic on the intersecting roadway before entering it, and the right to proceed is subject to the rules applicable after making a stop at a stop sign;
(ii) Flashing Yellow (Caution Signal): When a yellow lens is illuminated with rapid intermittent flashes, drivers of vehicles may proceed through the intersection or past the signal only with caution.
(b) This section shall not apply at railroad grade crossings. Conduct of drivers of vehicles approaching railroad grade crossings shall be governed by the rules provided by W.S. 31-5-510.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 4 - Traffic-Control Devices › Section 31-5-406 - Display of Unauthorized Signs; Advertising on Traffic Signs.

31-5-406. Display of unauthorized signs; advertising on traffic signs.
(a) No person shall place, maintain or display upon or in view of any highway any unauthorized sign, signal, marking or device which purports to be or is an imitation of or resembles an official traffic-control device or railroad sign or signal, or which attempts to direct the movement of traffic, or which hides from view or interferes with the effectiveness of any official traffic-control device or any railroad sign or signal.
(b) No person shall place or maintain nor shall any public authority permit upon any highway any official traffic-control device bearing thereon any commercial advertising except for business signs included as a part of official motorist service panels or roadside information panels approved by the highway department.
(c) This section does not prohibit the erection upon private property adjacent to highways of signs giving useful directional information and of a type that cannot be mistaken for official signs.
(d) Every prohibited sign, signal or marking is a public nuisance and the authority having jurisdiction over the highway may remove the same or cause it to be removed without notice.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 5 - Stopping, Standing and Parking › Section 31-5-501 - Authority to Place Signs Prohibiting, Regulating or Restricting Parking; Handicapped Parking; Obedience to Signs Required; Free Parking Areas.

31-5-501. Authority to place signs prohibiting, regulating or restricting parking; handicapped parking; obedience to signs required; free parking areas.
(a) The highway department with respect to highways under its jurisdiction, and boards of county commissioners of the counties or any duly appointed board of trustees of any fairgrounds, airports, parks, pleasure grounds or recreational systems or other duly constituted state or local public boards, with respect to public lands under their supervision and control, may place signs prohibiting, regulating the time of or restricting the parking of vehicles where in the opinion of the commission or board having jurisdiction thereof, parking is dangerous to those using highways, public ways or areas where the parking of vehicles would unduly interfere with the free movement of traffic thereon, or where it is necessary to regulate parking for the welfare of the general public or for the proper use of public lands.
(b) Signs reserving parking spaces for the handicapped in public places under the jurisdiction of the government agencies described in subsection (a) of this section or placed on private property by the real property owner pursuant to W.S. 31-5-111 shall be constructed of durable material, contain the international symbol of accessibility, be no less than twelve inches (12") by eighteen inches (18") in size and be placed above ground level so as to be visible at all times and not be obscured by a vehicle parked in that space. Parking spaces for the handicapped shall be located on the shortest possible accessible circulation route to an accessible entrance of the building. In public parking lots of ten (10) or more parking spaces, at least two percent (2%) of the total number of available parking spaces but not less than one (1) space shall be reserved for the handicapped. Handicapped parking spaces shall allow easy entrance and exit for wheelchairs, to include signage and any cross-hatched handicapped vehicle access markings that may be adjacent to the handicapped parking space, and be located on a level surface.
(c) The signs specified under this section and W.S. 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.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 5 - Stopping, Standing and Parking › Section 31-5-502 - Penalty for Violation of w.s. 31-5-501.

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).
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 5 - Stopping, Standing and Parking › Section 31-5-503 - Erection and Maintenance of Traffic-Control Devices to Designate Through Highways.

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.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 5 - Stopping, Standing and Parking › Section 31-5-504 - Specific Places Where Prohibited.

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.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 5 - Stopping, Standing and Parking › Section 31-5-505 - Roadways Outside of Business or Residence Districts.

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.
2023 Wyoming Statutes › Title 31 - Motor Vehicles › Chapter 5 - Regulation of Traffic on Highways › Article 5 - Stopping, Standing and Parking › Section 31-5-506 - Emerging From Alley, Building, Private Road or Driveway.

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.