City of Shrewsbury, MO
St. Louis County
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Table of Contents
Table of Contents

Section 340.010 Following Fire Apparatus Prohibited.

Section 340.020 Crossing Fire Hose.

Section 340.030 Driving Through Funeral or Other Procession.

Section 340.040 Driving in Procession.

Section 340.050 Funeral Procession To Be Identified.

Section 340.060 When Permits Required For Parades and Processions.

Section 340.070 Vehicle Shall Not Be Driven On A Sidewalk.

Section 340.080 Limitations On Backing.

Section 340.090 Opening and Closing Vehicle Doors.

Section 340.100 Riding On Motorcycles, Additional Passenger, Requirements.

Section 340.105 Protective Headgear Required For The Operation of Motorcycles and Motortricycles.

Section 340.110 Riding Bicycle On Sidewalks, Limitations — Motorized Bicycles Prohibited.

Section 340.115 Motorized Play Vehicles Prohibited.

Section 340.120 All-Terrain Vehicles, Prohibited — Exceptions, Operation of Under An Exception — Prohibited Uses — Penalty.

Section 340.130 Riding Bicycles, Sleds, Roller Skates, By Attaching To Another Vehicle, Prohibited.

Section 340.140 Controlled Access.

Section 340.150 Railroad Trains Not To Block Streets.

Section 340.160 Driving Through Safety Zone Prohibited.

Section 340.170 Passing Regulations.

Section 340.180 Distance At Which Vehicle Must Follow.

Section 340.185 Aggressive Driving.

Section 340.190 No Passing Zone.

Section 340.200 Careless and Imprudent Driving.

Section 340.210 Boarding or Alighting From Vehicles.

Section 340.220 Unlawful Riding.

Section 340.225 Prohibition On Riding in Open Bed of Certain Vehicles At Certain Times.

Section 340.230 Right-Of-Way At Intersection.

Section 340.240 Drive On Right of Highway — Traffic Lanes — Signs.

Section 340.250 Hand and Mechanical Signals.

Section 340.260 Construction Zone and Work Zone Penalties.

Section 340.270 Endangerment of Emergency Responder.

Section 340.010 Following Fire Apparatus Prohibited.

[CC 1976 §340.010]
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 drive into or park such vehicle within the block where fire apparatus has stopped in answer to a fire alarm.

Section 340.020 Crossing Fire Hose.

[CC 1976 §340.020]
No vehicle shall be driven over any unprotected hose of a Fire Department when laid down on any street, private driveway or streetcar track, to be used at any fire or alarm of fire, without the consent of the Fire Department Official in command.

Section 340.030 Driving Through Funeral or Other Procession.

[CC 1976 §340.030]
No driver of a vehicle shall drive between the vehicles comprising a funeral or other authorized procession while they are in motion and when such vehicles are conspicuously designated as required in this Title. This provision shall not apply at intersections where traffic is controlled by traffic control signals or Police Officers.

Section 340.040 Driving in Procession.

[CC 1976 §340.040]
Each driver in a funeral or other procession shall drive as near to the right-hand edge of the roadway as practicable and shall follow the vehicle ahead as close as is practicable and safe.

Section 340.050 Funeral Procession To Be Identified.

[CC 1976 §340.050]
A funeral composed of a procession of vehicles shall be identified as such by the display upon the outside of each vehicle of a pennant or other identifying insignia or by such other method as may be determined and designated by the Traffic Division.

Section 340.060 When Permits Required For Parades and Processions.

[CC 1976 §340.060]
No funeral, procession or parade containing two hundred (200) or more persons or fifty (50) or more vehicles except the forces of the United States Army or Navy, the military forces of this State and the forces of the Police and Fire Departments, shall occupy, march or proceed along any street except in accordance with a permit issued by the Chief of Police and such other regulations as are set forth herein which may apply.

Section 340.070 Vehicle Shall Not Be Driven On A Sidewalk.

[CC 1976 §340.070]
The driver of a vehicle shall not drive within any sidewalk area except on a permanent or temporary driveway.

Section 340.080 Limitations On Backing.

[CC 1976 §340.080]
The driver of a vehicle shall not back the same unless such movement can be made with reasonable safety and without interfering with other traffic.

Section 340.090 Opening and Closing Vehicle Doors.

[CC 1976 §340.280]
No person shall open the door of a motor vehicle on the side available to moving traffic unless and until it is reasonably safe to do so, nor shall any person leave a door open on the side of a motor vehicle available to moving traffic for a period of time longer than necessary to load or unload passengers.

Section 340.100 Riding On Motorcycles, Additional Passenger, Requirements.

[CC 1976 §340.090]
A. 
A person operating a motorcycle shall ride only upon the permanent and regular seat attached thereto, and such operator shall not carry any other person nor shall any other person ride on a motorcycle unless such motorcycle is designed to carry more than one (1) person, in which event a passenger may ride upon the permanent and regular seat if designed for two (2) persons, or upon another seat firmly attached to the rear or side of the operator.
B. 
The operator of a motorized bicycle shall ride only astride the permanent and regular seat attached thereto, and shall not permit more than one (1) person to ride thereon at the same time, unless the motorized bicycle is designed to carry more than one (1) person. Any motorized bicycle designed to carry more than one (1) person must be equipped with a passenger seat and footrests for the use of a passenger.

Section 340.105 Protective Headgear Required For The Operation of Motorcycles and Motortricycles.

[Ord. No. 2088 §1, 3-25-1997]
A. 
Every person operating or riding as a passenger on any motorcycle or motortricycle, as defined in Section 300.020 of this Title, upon any public road within the corporate limits of the City shall wear protective headgear at all times the vehicle is in motion. The protective headgear shall meet reasonable standards and specifications established by the Director of Revenue of the State of Missouri.
B. 
Any person violating the provisions of this Section shall be punished pursuant to Section 100.090 of this Code.

Section 340.110 Riding Bicycle On Sidewalks, Limitations — Motorized Bicycles Prohibited.

A. 
No person shall ride a bicycle upon a sidewalk within a business district.
B. 
Whenever any person is riding a bicycle upon a sidewalk, such person shall yield the right-of-way to any pedestrian and shall give audible signal before overtaking and passing such pedestrian.
C. 
No person shall ride a motorized bicycle upon a sidewalk.

Section 340.115 Motorized Play Vehicles Prohibited.

[Ord. No. 2458 §2, 4-5-2006]
No person shall ride on or operate a motorized play vehicle upon any street, highway, roadway or sidewalk within the City or within the boundaries of any City park.

Section 340.120 All-Terrain Vehicles, Prohibited — Exceptions, Operation of Under An Exception — Prohibited Uses — Penalty.

A. 
No person shall operate an all-terrain vehicle, as defined in Section 300.020, upon the streets and highways of this City, except as follows:
1. 
All-terrain vehicles owned and operated by a Governmental entity for official use;
2. 
All-terrain vehicles operated for agricultural purposes or industrial on-premise purposes between the official sunrise and sunset on the day of operation;
3. 
All-terrain vehicles whose operators carry a special permit issued by this City pursuant to Section 304.013, RSMo.
B. 
No person shall operate an off-road vehicle, as defined in Section 304.001, RSMo., within any stream or river in this City, except that off-road vehicles may be operated within waterways which flow within the boundaries of land which an off-road vehicle operator owns, or for agricultural purposes within the boundaries of land which an off-road vehicle operator owns or has permission to be upon, or for the purpose of fording such stream or river of this State at such road crossings as are customary or part of the highway system. All Law Enforcement Officials or Peace Officers of this State and its political subdivisions shall enforce the provisions of this Subsection within the geographic area of their jurisdiction.
C. 
A person operating an all-terrain vehicle on a street or highway pursuant to an exception covered in this Section shall have a valid operator's or chauffeur's license, but shall not be required to have passed an examination for the operation of a motorcycle, and the vehicle shall be operated at speeds of less than thirty (30) miles per hour. When operated on a street or highway, an all-terrain vehicle shall have a bicycle safety flag, which extends not less than seven (7) feet above the ground, attached to the rear of the vehicle. The bicycle safety flag shall be triangular in shape with an area of not less than thirty (30) square inches and shall be dayglow in color.
D. 
No person shall operate an all-terrain vehicle:
1. 
In any careless way so as to endanger the person or property of another;
2. 
While under the influence of alcohol or any controlled substance; or
3. 
Without a securely fastened safety helmet on the head of an individual who operates an all-terrain vehicle or who is being towed or otherwise propelled by an all-terrain vehicle, unless the individual is at least eighteen (18) years of age.
E. 
No operator of an all-terrain vehicle shall carry a passenger, except for agricultural purposes.
F. 
A violation of this Section shall be a misdemeanor.

Section 340.130 Riding Bicycles, Sleds, Roller Skates, By Attaching To Another Vehicle, Prohibited.

[CC 1976 §340.100]
No person riding upon any bicycle, motorized bicycle, coaster, roller skates, sled or toy vehicle shall attach the same or himself/herself to any vehicle upon a roadway.

Section 340.140 Controlled Access.

[CC 1976 §340.110]
No person shall drive a vehicle onto or from any controlled access roadway except at such entrances and exits as are established by public authority.

Section 340.150 Railroad Trains Not To Block Streets.

[CC 1976 §340.220; Ord. No. 2063 §1, 10-8-1996]
A. 
It shall be unlawful for the directing officer or the operator of any railroad train to direct the operation of or to operate the same in such a manner as to prevent the use of any street for purposes of travel for a period of time longer than five (5) minutes; provided that this Section shall not apply to a moving train or to one stopped because of an emergency or for repairs necessary before it can proceed safely.
B. 
The bell of a railroad locomotive may be constantly sounded while said locomotive is approaching and passing through all road and street crossings within the City of Shrewsbury. The whistle or horn of a railroad locomotive shall not be sounded within the City.

Section 340.160 Driving Through Safety Zone Prohibited.

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

Section 340.170 Passing Regulations.

[CC 1976 §340.130]
A. 
The following rules shall govern the overtaking and passing of vehicles proceeding in the same direction, subject to the limitations and exceptions hereinafter stated:
1. 
The driver of a vehicle overtaking another vehicle proceeding in the same direction shall pass to the left thereof at a safe distance and shall not again drive to the right side of the roadway until safely clear of the overtaken vehicle; and
2. 
Except when overtaking and passing on the right is permitted, the driver of an overtaken vehicle shall give way to the right in favor of the overtaking vehicle and shall not increase the speed of his/her vehicle until completely passed by the overtaking vehicle.
B. 
The driver of a motor vehicle may overtake and pass to the right of another vehicle only under the following conditions:
1. 
When the vehicle overtaken is making or about to make a left turn;
2. 
Upon a City street with unobstructed pavement of sufficient width for two (2) or more lines of vehicles in each direction;
3. 
Upon a one-way street;
4. 
Upon any highway outside of a City with unobstructed pavement of sufficient width and clearly marked for four (4) or more lines of traffic.
The driver of a motor vehicle may overtake and pass another vehicle upon the right only under the foregoing conditions when such movement may be made in safety. In no event shall such movement be made by driving off the paved or main traveled portion of the roadway. The provisions of this Subsection shall not relieve the driver of a slow-moving vehicle from the duty to drive as closely as practicable to the right-hand edge of the roadway.
C. 
Except when a roadway has been divided into three (3) traffic lanes, no vehicle shall be driven to the left side of the center line of a highway or public road in overtaking and passing another vehicle proceeding in the same direction unless such left side is clearly visible and is free of oncoming traffic for a sufficient distance ahead to permit such overtaking and passing to be completely made without interfering with the safe operation of any vehicle approaching from the opposite direction or any vehicle overtaken.
D. 
No vehicle shall at any time be driven to the left side of the roadway under the following conditions:
1. 
When approaching the crest of a grade or upon a curve of the highway where the driver's view is obstructed within such distance as to create a hazard in the event another vehicle might approach from the opposite direction;
2. 
When the view is obstructed upon approaching within one hundred (100) feet of any bridge, viaduct, tunnel or when approaching within one hundred (100) feet of or at any intersection or railroad grade crossing.

Section 340.180 Distance At Which Vehicle Must Follow.

[CC 1976 §340.140]
The driver of a vehicle shall not follow another vehicle more closely than is reasonably safe and prudent, having due regard for the speed of such vehicle and the traffic upon and the condition of the roadway. 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, except in a funeral procession or in a duly authorized parade, so as to allow sufficient space between each such vehicle or combination of vehicles as to enable any other vehicle to overtake or pass such vehicles in safety. This Section shall in no manner affect Section 304.044, RSMo., relating to distance between trucks traveling on the highway.

Section 340.185 Aggressive Driving.

[Ord. No. 2407 §1, 7-16-2004]
A. 
It shall be unlawful for the operator of any motor vehicle intentionally to harass or alarm another person who is inside a motor vehicle by intentionally or knowingly:
1. 
Increasing or decreasing the speed of his or her vehicle; or
2. 
Changing lanes; or
3. 
Following the other person's vehicle more closely than is reasonable and prudent under the totality of the circumstances; or
4. 
Impeding or obstructing the operation of the other person's motor vehicle; or
5. 
Operating his or her vehicle in a manner that endangers or would be likely to endanger any person or property.

Section 340.190 No Passing Zone.

[CC 1976 §340.180; Ord. No. 846 §1, 9-8-1964]
A. 
The City Traffic Engineer shall make recommendations for the designation of a no passing zone for those areas where, in his/her opinion, drivers of motor vehicles cannot safely pass another vehicle being driven in the same direction.
B. 
Whenever any ordinance of this City designates a no passing zone, said zone shall be indicated by a yellow-painted line immediately next to the white-painted center line of the roadway in lane of travel. In addition to said line, a sign of adequate size which reads "No Passing Zone" shall be placed at the start of said zone.
C. 
All motor vehicles, including varieties of motorcycles and motor bicycles, shall observe no passing zones except those vehicles responding to emergency calls. Said emergency vehicles responding to emergency calls may, by exercising proper caution, pass other moving vehicles in said zones.
D. 
Upon those streets and/or parts of streets designated in the corresponding schedule, a no passing zone is hereby created.

Section 340.200 Careless and Imprudent Driving.

[CC 1976 §340.190; Ord. No. 1259 §1, 1-25-1977]
It shall be unlawful for any person to operate a motor vehicle on the highways, as defined herein, of this City in other than a careful and prudent manner and at a rate of speed so as not to endanger the property of another or the life or limb of any person and any person operating a motor vehicle on the streets of this City shall exercise the highest degree of care.

Section 340.210 Boarding or Alighting From Vehicles.

[CC 1976 §340.200; Ord. No. 754 §10.1, 1-31-1961]
No person shall board or alight from any vehicle while such vehicle is in motion.

Section 340.220 Unlawful Riding.

[CC 1976 §340.210; Ord. No. 754 §10.2, 1-31-1961]
No person shall ride on any vehicle upon any portion thereof not designated or intended for use of passengers. This provision shall not apply to an employee engaged in the necessary discharge of a duty, or to persons riding within truck bodies in the space intended for merchandise.

Section 340.225 Prohibition On Riding in Open Bed of Certain Vehicles At Certain Times.

[Ord. No. 2716 §1, 5-28-2013]
A. 
No person shall operate any truck, as defined in Section 301.010, RSMo., with a licensed gross weight of less than twelve thousand (12,000) pounds when such truck is operated within the corporate limits of this City when any person under eighteen (18) years of age is riding in the unenclosed bed of such truck. No person under eighteen (18) years of age shall ride in the unenclosed bed of such truck when the truck is in operation. Any person who operates a truck with a licensed gross weight of less than twelve thousand (12,000) pounds in violation of this Section shall, upon conviction, be punished by a fine of not more than twenty-five dollars ($25.00) plus court costs. The provisions of this Section shall not apply to:
1. 
Any employee engaged in the necessary discharge of the employee's duties where it is necessary to ride in the unenclosed bed of the truck;
2. 
Any person while engaged in agricultural activities where it is necessary to ride in the unenclosed bed of the truck;
3. 
Any person riding in the unenclosed bed of a truck while such truck is being operated in a parade, caravan, or exhibition which is authorized by law;
4. 
Any person riding in the unenclosed bed of a truck if such truck has installed a means of preventing such person from being discharged or such person is secured to the truck in a manner which will prevent the person from being thrown, falling, or jumping from the truck;
5. 
Any person riding in the unenclosed bed of a truck if such truck is being operated solely for the purposes of participating in a special event and it is necessary that the person ride in such unenclosed bed due to the lack of available seating. "Special event", for the purposes of this Section, is a specific social activity of a definable duration which is participated in by the person riding in the unenclosed bed;
6. 
Any person riding in the unenclosed bed of a truck if such truck is being operated solely for the purposes of providing assistance to, or ensuring the safety of, other persons engaged in a recreational activity;
7. 
Any person riding in the unenclosed bed of a truck if such truck is the only legally titled, licensed, and insured vehicle owned by the family of the person riding in the unenclosed bed and there is insufficient room in the passenger cab of the truck to accommodate all passengers in such truck. For the purposes of this Subsection, the "family" shall mean any persons related within the first degree of consanguinity.

Section 340.230 Right-Of-Way At Intersection.

[CC 1976 §340.240; Ord. No. 1473 §1, 7-20-1982]
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, provided however, there is no form of traffic control at such intersection.
B. 
When two 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 driver of the vehicle on the right. This Subsection shall not apply to vehicles approaching each other from opposite directions when the driver of one (1) of such vehicles is attempting to or is making a left turn.
C. 
The driver of a vehicle within an intersection 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.
D. 
The driver of a vehicle intending to make a left turn into an alley, private road or driveway, shall yield the right-of-way to any vehicle approaching from the opposite direction when the making of such left turn would create a traffic hazard.

Section 340.240 Drive On Right of Highway — Traffic Lanes — Signs.

[CC 1976 §340.250; Ord. No. 1484 §1, 10-26-1982]
A. 
All vehicles not in motion shall be placed with their right side as near the right-hand side of the highway as practicable, except on streets where vehicles are obliged to move in one direction only or parking of motor vehicles is regulated by ordinance.
B. 
Upon all public roads or highways of sufficient width a vehicle shall be driven upon the right half of the roadway, except as follows:
1. 
When overtaking and passing another vehicle proceeding in the same direction under the rules governing such movement;
2. 
When placing a vehicle in position for and when such vehicle is lawfully making a left turn in compliance with law.
3. 
When the right-half of a roadway is closed to traffic while under construction or repair.
4. 
Upon a roadway designated by ordinance as a one-way street and marked or signed for one-way traffic.
C. 
It is unlawful to drive any vehicle upon any highway or road which has been divided into two (2) or more roadways by means of a physical barrier or by means of a dividing section or delineated by curbs, lines or other markings on the roadway, except to the right of such barrier or dividing section, or to make any left turn or semicircular or U-turn on any such divided highway, except in a crossover or intersection.
D. 
The authorities in charge of any highway may erect signs temporarily designating lanes to be used by traffic moving in a particular direction, regardless of the center line of the highway, and all authorized peace officers may direct traffic in conformance with such signs. When authorized signs have been erected designating off-center traffic lanes, no person shall disobey the instructions given by such signs.
E. 
Whenever any roadway has been divided into three (3) or more clearly marked lanes for traffic, the following rules in addition to all others consistent herewith, shall apply:
1. 
A vehicle shall be driven as nearly as practicable entirely within a single lane and shall not be moved from such lane until the driver has first ascertained that such movement can be made with safety;
2. 
Upon a roadway which is divided into three (3) lanes, a vehicle shall not be driven in the center lane, except when overtaking and passing another vehicle where the roadway ahead is clearly visible and such center lane is clear of traffic within a safe distance, or in preparation for a left turn or where such center lane is at the time, allocated exclusively to traffic moving in the direction the vehicle is proceeding and is sign-posted to give notice of such allocation;
3. 
Upon all highways any vehicle proceeding at less than the normal speed of traffic thereon shall be driven in the right-hand lane for traffic or as close as practicable to the right-hand edge or curb, except as otherwise provided by law.
4. 
Official signs may be erected by proper authorities who may place temporary signs directing slow moving traffic to use a designated lane or allocating specified lanes to traffic moving in the same direction and drivers of vehicles shall obey the directions of every such sign;
5. 
Drivers of vehicles proceeding in opposite directions shall pass each other to the right, and, except when a roadway has been divided into traffic lanes, each driver shall give to the other at least one-half (1/2) of the main traveled portion of the roadway whenever possible.
F. 
All vehicles in motion upon a highway having two (2) or more lanes of traffic proceeding in the same direction shall be driven in the right-hand lane except when overtaking and passing another vehicle or when preparing to make a proper left turn or when otherwise directed by traffic markings, signs or signals.

Section 340.250 Hand and Mechanical Signals.

[CC 1976 §340.260; Ord. No. 1483 §1, 10-26-1982]
A. 
No person shall stop or suddenly decrease the speed of or turn a vehicle from a direct course or move right or left upon a roadway unless and until such movement can be made with reasonable safety and then only after the giving of an appropriate signal in the manner provided herein:
1. 
An operator or driver when stopping, or when checking the speed of his/her vehicle, if the movement of other vehicles may reasonably be affected by such checking of speed, shall extend his/her arm at an angle below horizontal so that the same may be seen in the rear of his/her vehicle;
2. 
An operator or driver intending to turn his/her vehicle to the right shall extend his/her arm at an angle above horizontal so that the same may be seen in front of and in the rear of his/her vehicle, and shall slow down and approach the intersecting highway as near as practicable to the right side of the highway along which he/she is proceeding before turning;
3. 
An operator or driver intending to turn his/her vehicle to the left shall extend his/her arm in a horizontal position so that the same may be seen in the rear of his/her vehicle, and shall slow down and approach the intersecting highway so that the left side of his/her vehicle shall be as near as practicable to the center line of the highway along which he/she is proceeding before turning;
4. 
The signals herein required shall be given either by means of the hand and arm, or by a signal light, or signal device in good mechanical condition of a type approved by the State Highway Patrol; however, when a vehicle is so constructed or loaded that a hand and arm signal would not be visible both to the front and rear of such vehicle, then such signals shall be given by such light or device. A vehicle shall be considered as so constructed or loaded that a hand and arm signal would not be visible both to the front and rear when the distance from the center of the top of the steering post to the left outside limit of the body, cab or load 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 thereon exceeds fourteen (14) feet, which limit of fourteen (14) feet shall apply to single vehicles or combinations of vehicles. The provisions of this Subsection shall not apply to any trailer which does not interfere with a clear view of the hand signals of the operator or of the signaling device upon the vehicle pulling said trailer; provided further, that the provisions of this Section as far as mechanical devices on vehicles so constructed that a hand and arm signal would not be visible both to the front and rear of such vehicle as above provided shall only be applicable to new vehicles registered within this State after January 1, 1954.

Section 340.260 Construction Zone and Work Zone Penalties.

[Ord. No. 2755 §2, 2-28-2014]
A. 
Upon the first conviction or plea of guilty by any person for a moving violation as defined in Section 302.010, RSMo., or any offense listed in Section 302.302, RSMo., the court shall assess a fine of thirty-five dollars ($35.00) in addition to any other fine authorized to be imposed by law, if the offense occurred within a construction zone or a work zone. Upon a second or subsequent such conviction or plea of guilty, the court shall assess a fine of seventy-five dollars ($75.00) in addition to any other fine authorized to be imposed by law.
B. 
Upon the first conviction or plea of guilty by any person for any speeding violation, or a passing violation under Subsection (D) of this Section, the court shall assess a fine of two hundred fifty dollars ($250.00) in addition to any other fine authorized by law if the offense occurred within a construction zone or a work zone and at the time the speeding or passing violation occurred there was any highway worker in such zone. Upon a second or subsequent such conviction or plea of guilty, the court shall assess a fine of three hundred dollars ($300.00) in addition to any other fine authorized by law. However, no person assessed an additional fine under this Subsection shall also be assessed an additional fine under Subsection (A) of this Section, and no person shall be assessed an additional fine under this Subsection if no signs have been posted under Subsection (C) of this Section.
C. 
The penalty authorized by Subsection (B) of this Section shall only be assessed by the court if the City or the Missouri Department of Transportation or a contractor or subcontractor performing work for the City or the Missouri Department of Transportation has erected signs upon or around a construction zone or work zone which are clearly visible from the City street or State highway and which state substantially the following message: "Warning: minimum $250 fine for speeding or passing in this work zone when workers are present."
D. 
The driver of a motor vehicle may not overtake or pass another motor vehicle within a work zone or construction zone as provided in this Subsection.
1. 
This Subsection applies to a construction zone or work zone divided into two (2) or more marked lanes for traffic moving in the same direction and for which motor vehicles are instructed to merge from one (1) lane into another lane and not pass by appropriate signs or traffic control devices erected by the City or the Missouri Department of Transportation or a contractor or subcontractor performing work for the City of Missouri Department of Transportation.
2. 
This Subsection also prohibits the operator of a motor vehicle from passing or attempting to pass another motor vehicle in a work zone or construction zone when City or other workers or equipment are working and when appropriate signs or traffic control devices have been erected by the City or Missouri Department of Transportation or a contractor or subcontractor performing work for the City or Missouri Department of Transportation.
E. 
The additional fines imposed by this Section shall not be construed to enhance the assessment of court costs or the assessment of points under Section 302.302, RSMo.

Section 340.270 Endangerment of Emergency Responder.

[Ord. No. 2756 §2, 2-28-2014]
A. 
A person commits the offense of endangerment of an emergency responder for any of the following offenses when the offense occurs within an active emergency zone:
1. 
Exceeding the posted speed limit by fifteen (15) miles per hour or more;
2. 
Overtaking or passing another motor vehicle within an active emergency zone;
3. 
Failure to stop for an active emergency zone flagman or emergency responder, or failure to obey traffic control devices erected, or personnel posted, in the active emergency zone for purposes of controlling the flow of motor vehicles through the zone;
4. 
Driving through or around an active emergency zone via any lane not clearly designated for motorists to control the flow of traffic through or around the active emergency zone;
5. 
Physically assaulting, attempting to assault, or threatening to assault an emergency responder with a motor vehicle or other instrument; or
6. 
Intentionally striking, moving, or altering barrels, barriers, signs, or other devices erected to control the flow of traffic to protect emergency responders and motorists unless the action was necessary to avoid an obstacle, an emergency, or to protect the health and safety of an occupant of the motor vehicle or of another person.
B. 
Upon a finding of guilt or a plea of guilty for committing the offense of endangerment of an emergency responder under Subsection (A) of this Section, the court shall assess a fine of not more than five hundred dollars ($500.00).
C. 
Except for the offense established under Subsection (A)(6), no person shall be deemed to have committed the offense of endangerment of an emergency responder except when the act or omission constituting the offense occurred when one (1) or more emergency responders were responding to an active emergency.
D. 
No person shall be cited for, or found guilty of, endangerment of an emergency responder, for any act or omission otherwise constituting an offense under this Section, if such act or omission resulted in whole or in part from mechanical failure of the person's vehicle, or from the negligence of another person or emergency responder.
E. 
Upon a first conviction, finding of guilt, or plea of guilty by any person for a moving violation, as the term "moving violation" is defined in Section 302.010, RSMo., or any offense listed in Section 302.302, RSMo., other than those violations described in Subsection (A) of this Section when the violation or offense occurs within an active emergency zone, the court shall assess a fine of thirty-five dollars ($35.00) in addition to any other fine authorized by law. Upon a second or subsequent conviction, finding of guilt, or plea of guilty, the court shall assess a fine of seventy-five dollars ($75.00) in addition to any other fine authorized by law.