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

Section 340.010 Following Emergency Vehicle Prohibited.

Section 340.020 Crossing Fire Hose.

Section 340.030 Funeral Processions.

Section 340.040 Processions and Parades — Generally.

Section 340.050 Driving On Sidewalk.

Section 340.060 Limitations On Backing.

Section 340.070 Opening and Closing Vehicle Doors.

Section 340.080 Riding On Motorcycles, Additional Passenger, Requirements.

Section 340.090 Riding Bicycle On Sidewalks, Limitations — Motorized Bicycles Prohibited.

Section 340.100 All-Terrain Vehicles, Prohibited — Exceptions, Operation of Under An Exception — Prohibited Uses — Penalty.

Section 340.110 Riding Bicycles, Sleds, Roller Skates, By Attaching To Another Vehicle, Prohibited — Pulling A Rider Behind Vehicle Prohibited.

Section 340.120 Controlled Access.

Section 340.130 Railroad Trains Not To Block Streets.

Section 340.140 Driving Through Safety Zone Prohibited.

Section 340.150 Driving in, Etc., Parking Lots.

Section 340.155 Driving When View Obstructed, Etc.

Section 340.160 Cutting Through To Avoid Intersections.

Section 340.165 Operating A Motor Vehicle On Yard or Lawn.

Section 340.170 Aggressive Driving.

Section 340.175 Unauthorized Use, Etc., of Motor Vehicle, Etc.

Section 340.180 Glass, Tacks, Injurious Substances, Duty To Remove From Highway, When — Penalty.

Section 340.190 Closing Streets — Driving, Etc., On Closed Streets Prohibited.

Section 340.200 Trailers, Etc., Not To Be Occupied As Residence.

Section 340.210 Load Limits On Bridges and Culverts.

Section 340.220 Manner of Operation of Motor Vehicles — Careful and Prudent.

Section 340.230 Driving To The Right.

Section 340.240 Hand and Mechanical Signals.

Section 340.250 Distance At Which Vehicle Must Follow.

Section 340.260 No Passing Zones.

Section 340.270 Passing Regulations.

Section 340.280 Stopping For School Bus.

Section 340.290 Use of Hand-Held Electronic Wireless Communications Devices While Driving Prohibited.

Section 340.010 Following Emergency Vehicle Prohibited. [1]

The driver of any vehicle other than one on official business shall not follow any emergency vehicle traveling in response to an emergency call 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.
[1]
Cross Reference — Fire prevention and protection, ch. 215.

Section 340.020 Crossing Fire Hose. [1]

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.
[1]
Cross Reference — Fire prevention and protection, ch. 215.

Section 340.030 Funeral Processions.

A. 
Definitions. As used in this Section, the following terms shall mean:
FUNERAL DIRECTOR
A person licensed as a funeral director pursuant to the provisions of Chapter 333, RSMo.
FUNERAL LEAD VEHICLE OR LEAD VEHICLE
Any motor vehicle equipped with at least one (1) lighted circulating lamp exhibiting an amber or purple light or lens or alternating flashing headlamps visible under normal atmospheric conditions for a distance of five hundred (500) feet from the front of the vehicle. A hearse or coach properly equipped may be a lead vehicle.
ORGANIZED FUNERAL PROCESSION
Two (2) or more vehicles accompanying the remains of a deceased person from a funeral establishment, church, synagogue or other place where a funeral service has taken place to a cemetery, crematory or other place of final disposition or a funeral establishment, church, synagogue or other place where additional funeral services will be performed if directed by a licensed funeral director from a licensed establishment.
B. 
Driving Rules.
1. 
Except as otherwise provided for in this Section, pedestrians and operators of all other vehicles shall yield the right-of-way to any vehicle which is a part of an organized funeral procession.
2. 
Notwithstanding any traffic control device or right-of-way provision prescribed by State or local law, when the funeral lead vehicle in an organized funeral procession lawfully enters an intersection, all vehicles in the procession shall follow the lead vehicle through the intersection. The operator of each vehicle in the procession shall exercise the highest degree of care toward any other vehicle or pedestrian on the roadway.
3. 
An organized funeral procession shall have the right-of-way at all intersections regardless of any traffic control device at such intersections, except that operators of vehicles in an organized funeral procession shall yield the right-of-way to any approaching emergency vehicle pursuant to the provisions of law or when directed to do so by a Law Enforcement Officer.
4. 
All vehicles in an organized funeral procession shall follow the preceding vehicle in the procession as closely as is practical and safe under the conditions.
5. 
No person shall operate any vehicle as part of an organized funeral procession without the flashing emergency lights of such vehicle being lighted.
6. 
Any person who is not an operator of a vehicle in an organized funeral procession shall not:
a. 
Drive between the vehicles comprising an organized funeral procession while such vehicles are in motion and have the flashing emergency lights lighted pursuant to Subsection (B)(5) above, except when required to do so by a Law Enforcement Officer or when such person is operating an emergency vehicle giving an audible or visual signal;
b. 
Join a funeral procession for the purpose of securing the right-of-way; or
c. 
Attempt to pass any vehicle in an organized funeral procession, except where a passing lane has been specifically provided.
7. 
When an organized funeral procession is proceeding through a red signal light as permitted herein, a vehicle not in the organized funeral procession shall not enter the intersection unless such vehicle may do so without crossing the path of the funeral procession.
8. 
No ordinance, regulation or any other provision of law shall prohibit the use of a motorcycle utilizing flashing amber lights to escort an organized funeral procession on the highway.
C. 
Any person convicted of violating any provision of this Section shall be punished by a fine not to exceed one hundred dollars ($100.00).

Section 340.040 Processions and Parades — Generally.

[Code 1980 §15-16; CC 1990 §15-17]
A. 
It shall be unlawful for any person to conduct or to take part in, upon the roadways of the City, any procession or parade comprising more than six (6) vehicles or a group of pedestrians more than eight (8) feet in width or more than forty (40) feet in length under the direction of one (1) or more persons, except funeral processions, without having first obtained a permit from the Chief of Police designating the street or streets such procession shall traverse and the hours of the day within which the same shall proceed; and such procession or parade shall be conducted only in conformance with the terms of such permit. The Chief of Police shall issue such permit with the written approval of the Mayor, if he/she finds that such procession or parade:
1. 
Will not substantially interrupt the flow of traffic;
2. 
Will not require the diversion of an undue or burdensome number of Police Officers, fire, rescue or health units;
3. 
By its concentration of persons, animals and vehicles, will not unduly interfere with fire and Police protection, ambulance or rescue service, or place any dangerous burden upon any portion of the route to be traveled;
4. 
Is scheduled to move expeditiously and without unreasonable delay over the designated route.

Section 340.050 Driving On Sidewalk.

[Code 1980 §15-39; CC 1990 §15-138]
No operator of a vehicle shall drive within any sidewalk area except at a permanent or temporary driveway.

Section 340.060 Limitations On Backing.

[Code 1980 §15-46; CC 1990 §15-145]
No operator of a vehicle shall back the same unless such movement can be made with reasonable safety and without interfering with other traffic.

Section 340.070 Opening and Closing Vehicle Doors.

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 340.080 Riding On Motorcycles, Additional Passenger, Requirements.

[Code 1980 §15-15; CC 1990 §15-15]
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.
C. 
The operator of a motorcycle shall be subject to all of the regulations governing the operation of vehicles as provided in this Title, except as otherwise specifically exempted.
D. 
No person shall operate a motorcycle on any unpaved area which does not belong to him/her or his/her immediate family without first having obtained the written permission of the owner or lessee of such property, which such written permission shall be in the possession and on the person of the operator of such motorcycle at all times while same is being so operated.
E. 
No person shall operate a motorcycle on any paved area of the metropolitan sewer district drainage ditches.
F. 
No motorcycle shall be driven which does not comply with the regulations governing vehicular equipment as provided in this Title.

Section 340.090 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 340.100 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-premises 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 license issued by a State authorizing such person to operate a motor vehicle, 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 340.110 Riding Bicycles, Sleds, Roller Skates, By Attaching To Another Vehicle, Prohibited — Pulling A Rider Behind Vehicle Prohibited.

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. Neither shall the driver of a vehicle knowingly pull a rider behind a vehicle.

Section 340.120 Controlled Access.

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 340.130 Railroad Trains Not To Block Streets.

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.

Section 340.140 Driving Through Safety Zone Prohibited.

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

Section 340.150 Driving in, Etc., Parking Lots.

[Code 1980 §15-48; CC 1990 §15-147]
A. 
No person shall drive any self-propelled vehicle or bicycle upon a parking lot or into a parking lot carelessly and imprudently in a willful or wanton disregard of the rights and safety of others or without due caution and care and in a speed or in a manner so as to endanger any person or property.
B. 
The term "parking lot", as used in this Section, means any building or parcel of land regularly used, in whole or in part, for the storing or parking of more than five (5) motor vehicles and which is open to the general public including, but not limited to, drive-in facilities, commercial free courtesy lots and lots for which a fee is charged. The term "parking lot" shall not include lots owned by a person and operated for the exclusive use of such person or his/her employees.
C. 
No person shall drive a self-propelled vehicle or bicycle on the Civic Center parking lot at a rate of speed in excess of ten (10) miles per hour.

Section 340.155 Driving When View Obstructed, Etc.

[Code 1980 §15-49; CC 1990 §15-148]
It shall be unlawful for the operator of any vehicle to drive the same when such vehicle is so loaded or when there are in the front seat of such vehicle such number of persons as to obstruct the view of the operator to the front or sides or to interfere with the operator's control over the driving mechanism of the vehicle.

Section 340.160 Cutting Through To Avoid Intersections.

[Code 1980 §15-56; CC 1990 §15-159]
No person shall drive any motor vehicle from a public street, highway or roadway onto any private roadway, driveway, parking lot or business establishment for the purpose of avoiding an intersection.

Section 340.165 Operating A Motor Vehicle On Yard or Lawn.

[Code 1980 §15-15.1; CC 1990 §15-16]
A. 
No person shall willfully operate a motor vehicle on or upon the yard or lawn of any real property of another person within the City without the permission of the owner or person in control of such property.
B. 
As used herein, the term "yard" or "lawn" shall mean any portion of the property which is not paved by means of asphalt, concrete, gravel or any other material and not intended for the operation of motor vehicles thereon.
C. 
For purposes of this Section, the owner or person in whose name such motor vehicle is registered in the records of the State shall be presumed to be the operator of such motor vehicle.

Section 340.170 Aggressive Driving.

[CC 1990 §15-162; Ord. No. 6389, 3-27-2000]
A. 
It shall be unlawful for the operator of any motor vehicle to intentionally harass or alarm another person who is inside a motor vehicle by intentionally or knowingly:
1. 
Increasing or decreasing the speed of his/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/her vehicle in a manner that endangers or would be likely to endanger any person or property.
B. 
Every person convicted of violating this provision shall be punished by a fine of not less than five hundred dollars ($500.00) nor more than one thousand dollars ($1,000.00) or by detention in the County Jail for not more than one (1) year, or by both such fine and imprisonment.

Section 340.175 Unauthorized Use, Etc., of Motor Vehicle, Etc.

[Code 1980 §15-18; CC 1990 §15-19]
No person shall drive, operate, use or tamper with a motor vehicle or trailer without the permission of the owner thereof and no person shall, without the permission of the owner or person in charge thereof, climb upon or into or swing upon any motor vehicle or trailer, whether the same is in motion or at rest, or sound the horn or other sound-producing device thereon or attempt to manipulate any of the levers, starting device, brakes or machinery thereof or set the machinery in motion.

Section 340.180 Glass, Tacks, Injurious Substances, Duty To Remove From Highway, When — Penalty.

Any person who has purposely, accidentally, or by reason of an accident, dropped any tacks, nails, wire, scrap metal, glass, crockery, sharp stones, or other substances injurious to the feet of persons or animals, or to the tires or wheels of vehicles, including motor vehicles, upon any highway shall immediately make all reasonable efforts to clear the highway of the substances.

Section 340.190 Closing Streets — Driving, Etc., On Closed Streets Prohibited.

[Code 1980 §15-22; CC 1990 §15-23]
The Director of Public Works is authorized to close any street, public place or highway and withdraw the same from public use temporarily during such period as public work thereon or other public emergency or expediency shall make such action necessary. No person shall use or attempt to use such street, public highway or place so withdrawn from public use or drive or attempt to drive any vehicle or animal thereon. The Director of Public Works shall place a sign or placard at each end of any such portion withdrawn from public use, such placard or sign to have the following words printed thereon in letters three (3) inches high: "Street Closed — This street is closed by authority of Section 340.190 of the Code of the City of Florissant, Missouri".

Section 340.200 Trailers, Etc., Not To Be Occupied As Residence.

[Code 1980 §15-23; CC 1990 §15-24]
A. 
No person shall occupy or permit to be occupied any trailer, camper or house car in the City as a residence.
B. 
For the purposes of this Section, the term "trailer" means any structure having no foundation other than wheels, blocks, skids, jacks, "horses" or skirting which has been or reasonably may be equipped with wheels or other devices for transporting the structure from place to place whether by mode of power or other means and shall include campers and house cars and buses.

Section 340.210 Load Limits On Bridges and Culverts.

[Code 1980 §15-24; CC 1990 §15-25; Ord. No. 5017 §2, 4-24-1989]
A. 
The Director of Public Works is authorized to place and maintain load limit signs as set out in Schedule XIX on the approaches to any bridge or culvert that is part of a public roadway or walkway. Such load limit shall be based on engineering evaluations for each bridge and culvert and such engineering evaluation shall be made a part of the public record and be on file in the office of the City Clerk.
B. 
It shall be unlawful for any person to operate or transport any motor vehicle, trailer or other conveyance, either singly or in tandem, across any bridge or culvert in the City when the weight of such motor vehicle, trailer or other conveyance, either singly or in tandem, including any load contained therein, is in excess of the load limit posted at the bridge or culvert.

Section 340.220 Manner of Operation of Motor Vehicles — Careful and Prudent.

Every person operating a motor vehicle on the highways of this City shall drive the vehicle in 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 shall exercise the highest degree of care.

Section 340.230 Driving To The Right.

A. 
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 pursuant to 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 the provisions of this Title;
3. 
When the right-half of a roadway is closed to traffic while under construction or repair; or
4. 
Upon a roadway designated by local ordinance as a one-way street and marked or signed for one-way traffic.
B. 
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 semi-circular or U-turn on any such divided highway, except at an intersection or interchange or at any signed location designated by the State Highways and Transportation Commission or the Department of Transportation. The provisions of this Subsection shall not apply to emergency vehicles, law enforcement vehicles or to vehicles owned by the Commission or the Department.
C. 
Whenever any roadway has been divided into three (3) or more clearly marked lanes for traffic, the following rules in addition to all other 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 signposted 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 in Sections 304.014 to 304.026, RSMo.
4. 
Official signs may be erected by the State Highways and Transportation Commission or the Highway Patrol 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 (½) of the main traveled portion of the roadway whenever possible.
D. 
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 340.240 Hand and Mechanical Signals.

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 the operator's vehicle if the movement of other vehicles may reasonably be affected by such checking of speed, shall extend such operator's arm at an angle below horizontal so that the same may be seen in the rear of the vehicle.
2. 
An operator or driver intending to turn the vehicle to the right shall extend such operator's arm at an angle above horizontal so that the same may be seen in front of and in the rear of the vehicle and shall slow down and approach the intersecting highway as near as practicable to the right side of the highway along which such operator is proceeding before turning.
3. 
An operator or driver intending to turn the vehicle to the left shall extend such operator's arm in a horizontal position so that the same may be seen in the rear of the vehicle and shall slow down and approach the intersecting highway so that the left side of the vehicle shall be as near as practicable to the centerline of the highway along which the operator 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 such 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 the first (1st) day of January, 1954.

Section 340.250 Distance At Which Vehicle Must Follow.

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 340.260 No Passing Zones.

[Code 1980 §15-76; CC 1990 §15-201]
A. 
The Director of Public Works is hereby authorized and directed to determine those portions of any highway, road, street or alley, as set out in Schedule XII, where overtaking and passing or driving a vehicle to the left of a road would be especially hazardous and shall declare the same as a no-passing zone in accordance with the following standards and as provided for in the table below:
Roadway design speed
(mph)
Minimum sight distance
(feet)
Minimum no-passing zone
(feet)
30
500
90
40
600
120
50
800
150
60
1,000
180
B. 
The Section of roadway involved shall be held a no-passing zone, and the Director of Public Works shall immediately mark such no-passing zone by painting a solid yellow line on the roadway surface just to the right of the centerline of such roadway. Thereafter, the Director of Public Works shall, by appropriate signs, indicate the beginning and end of the no-passing zone. When the aforesaid yellow painted line or signs are in place so as to be clearly visible, every driver of a vehicle who shall fail to comply with the directions thereof shall be guilty of a misdemeanor.
C. 
The Director of Public Works shall keep a record of all such zones and the location thereof, and such records shall be public records and subject to public inspection.
D. 
In any prosecution for the violation of such no-passing zones as herein provided, proof that the roadway was marked with a solid yellow line or signs posted at the beginning and end of such zones as herein provided shall constitute a prima facie presumption that such no-passing zone was duly, properly and lawfully marked and designated as herein provided.

Section 340.270 Passing Regulations.

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 such driver's 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; or
3. 
Upon a one-way street.
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 centerline 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 340.280 Stopping For School Bus.

A. 
The driver of a vehicle upon a highway upon meeting or overtaking from either direction any school bus which has stopped on the highway for the purpose of receiving or discharging any school children and whose driver has in the manner prescribed by law given the signal to stop shall stop the vehicle before reaching such school bus and shall not proceed until such school bus resumes motion or until signaled by its driver to proceed.
B. 
Every bus used for the transportation of school children shall bear upon the front and rear thereon a plainly visible sign containing the words "School Bus" in letters not less than eight (8) inches in height. Each bus shall have lettered on the rear in plain and distinct type the following: "State Law: Stop While Bus is Loading and Unloading". Each school bus subject to the provisions of Sections 304.050 to 304.070, RSMo., shall be equipped with a mechanical and electrical signaling device approved by the State Board of Education which will display a signal plainly visible from the front and rear and indicating intention to stop.
C. 
Every school bus operated to transport students in the public school system which has a gross vehicle weight rating of more than ten thousand (10,000) pounds, which has the engine mounted entirely in front of the windshield and the entrance door behind the front wheels, and which is used for the transportation of school children shall be equipped with a crossing control arm. The crossing control arm, when activated, shall extend a minimum of five (5) feet six (6) inches from the face of the front bumper. The crossing control arm shall be attached on the right side of the front bumper and shall be activated by the same controls which activate the mechanical and electrical signaling devices described in Subsection (B) of this Section. This Subsection may be cited as "Jessica's Law" in commemoration of Jessica Leicht and all other Missouri school children who have been injured or killed during the operation of a school bus.
D. 
Except as otherwise provided in this Section, the driver of a school bus in the process of loading or unloading students upon a street or highway shall activate the mechanical and electrical signaling devices, in the manner prescribed by the State Board of Education, to communicate to drivers of other vehicles that students are loading or unloading. A public school district has the authority pursuant to Section 304.050, RSMo., to adopt a policy which provides that the driver of a school bus in the process of loading or unloading students upon a divided highway of four (4) or more lanes may pull off of the main roadway and load or unload students without activating the mechanical and electrical signaling devices in a manner which gives the signal for other drivers to stop and may use the amber signaling devices to alert motorists that the school bus is slowing to a stop; provided that the passengers are not required to cross any traffic lanes and also provided that the emergency flashing signal lights are activated in a manner which indicates that drivers should proceed with caution and, in such case, the driver of a vehicle may proceed past the school bus with due caution. No driver of a school bus shall take on or discharge passengers at any location upon a highway consisting of four (4) or more lanes of traffic, whether or not divided by a median or barrier, in such manner as to require the passengers to cross more than two (2) lanes of traffic; nor shall any passengers be taken on or discharged while the vehicle is upon the road or highway proper unless the vehicle so stopped is plainly visible for at least five hundred (500) feet in each direction to drivers of other vehicles in the case of a highway with no shoulder and a speed limit greater than sixty (60) miles per hour and at least three hundred (300) feet in each direction to drivers of other vehicles upon other highways, and on all highways, only for such time as is actually necessary to take on and discharge passengers.
E. 
The driver of a vehicle upon a highway with separate roadways need not stop upon meeting or overtaking a school bus which is on a different roadway, which is proceeding in the opposite direction on a highway containing four (4) or more lanes of traffic, or which is stopped in a loading zone constituting a part of, or adjacent to, a limited or controlled access highway at a point where pedestrians are not permitted to cross the roadway.

Section 340.290 Use of Hand-Held Electronic Wireless Communications Devices While Driving Prohibited. [1]

[Ord. No. 7635 §1, 10-2-2009]
A. 
Except as otherwise provided in this Section, no person twenty-one (21) years of age or younger operating a moving motor vehicle on roads exclusively within the jurisdiction of the City of Florissant, Missouri, by means of a hand-held electronic wireless communications device shall send, read or write a text message or electronic message.
B. 
The provisions of Subsection (A) of this Section shall not apply to a person operating:
1. 
An authorized emergency vehicle; or
2. 
A moving motor vehicle while using a hand-held electronic wireless communications device to:
a. 
Report illegal activity;
b. 
Summon medical or other emergency help;
c. 
Relay information between a transit or for-hire operator and that operator's dispatcher in which the device is permanently affixed to the vehicle.
C. 
Nothing in this Section shall be construed or interpreted as prohibiting a person from making or taking part in a telephone call, by means of a hand-held electronic wireless communications device, while operating a motor vehicle on roads exclusively within the jurisdiction of the City.
D. 
As used in this Section, "electronic message" means a self-contained piece of digital communication that is designed or intended to be transmitted between hand-held electronic wireless communication devices. "Electronic message" includes, but is not limited to, electronic mail, a text message, an instant message or a command or request to access an Internet site.
E. 
As used in this Section, "hand-held electronic wireless communications device" includes any hand-held cellular phone, Palm Pilot, Blackberry or other mobile electronic device used to communicate verbally or by text or electronic messaging, but shall not apply to any device that is permanently embedded into the architecture and design of the motor vehicle.
F. 
As used in this Section, "making or taking part in a telephone call" means listening to or engaging in verbal communication through a hand-held electronic wireless communication device.
G. 
As used in this Section, "send, read or write a text message or electronic message" means using a hand-held electronic wireless telecommunications device to manually communicate with any person by using an electronic message. Sending, reading or writing a text message or electronic message does not include reading, selecting or entering a phone number or name into a hand-held electronic wireless communications device for the purpose of making a telephone call.
H. 
A violation of this Section shall be deemed an infraction and shall be subject to the penalties provided in this Chapter for moving violations.
I. 
The provisions of this Section shall not apply to:
1. 
The operator of a vehicle that is lawfully parked or stopped;
2. 
The use of factory-installed or aftermarket global positioning systems (GPS) or wireless communications devices used to transmit or receive data as part of a digital dispatch system;
3. 
The use of voice-operated technology;
4. 
The use of two-way radio transmitters or receivers by a licensee of the Federal Communications Commission in the Amateur Radio Service.
[1]
Cross Reference — As to similar restrictions on drivers over 21 years of age, §210.486.