[Ord. No. 5479, 9-10-2024; Ord. No. 5484, 9-24-2024]
(a) 
No person shall drive, move, park or be in custody of any vehicle or combination of vehicles on any street or highway during the times when lighted lamps are required by law or this Chapter unless such vehicle or combination of vehicles displays lighted lamps and illuminating devices as required by Sections 307.020 to 307.127, RSMo.
(b) 
Every motor vehicle other than a motor-drawn vehicle and other than a motorcycle shall be equipped with at least two (2) approved headlamps mounted at the same level with at least one (1) on each side of the front of the vehicle. Every motorcycle shall be equipped with at least one (1) and not more than two (2) approved headlamps. Every motorcycle equipped with a sidecar or other attachment shall be equipped with a lamp on the outside limit of such attachment capable of displaying a white light to the front.
(c) 
"When lighted lamps are required" means at any time from a half-hour after sunset to a half-hour before sunrise and at any other time when there is not sufficient light to render clearly discernible persons and vehicles on the highway at a distance of five hundred (500) feet ahead. Lighted lamps shall also be required any time the weather conditions require usage of the motor vehicle's windshield wipers to operate the vehicle in a careful and prudent manner as defined in Section 304.012, RSMo. The provisions of this Section shall be interpreted to require lighted lamps during periods of fog even if usage of the windshield wipers is not necessary to operate the vehicle in a careful and prudent manner.
(d) 
Failure to respond, pay the fine assessed, or appear in court regarding a violation of this Section is subject to the procedure set forth in § 15-28, and a warrant shall not be issued.
[Ord. No. 5479, 9-10-2024; Ord. No. 5484, 9-24-2024]
(a) 
Headlamps, when lighted, shall exhibit lights substantially white in color; auxiliary lamps, cowl lamps and spot lamps, when lighted, shall exhibit lights substantially white, yellow, or amber in color. No person shall drive or move any vehicle or equipment, except a school bus when used for school purposes or an emergency vehicle upon any street or highway with any lamp or device thereon displaying a red light visible from directly in front thereof.
(b) 
Failure to respond, pay the fine assessed, or appear in court regarding a violation of this Section is subject to the procedure set forth in § 15-28, and a warrant shall not be issued.
[Ord. No. 5479, 9-10-2024; Ord. No. 5484, 9-24-2024]
(a) 
Every person driving a motor vehicle equipped with multiple-beam road lighting equipment, during the times when lighted lamps are required, shall use a distribution of light, or composite beam, directed high enough and of sufficient intensity to reveal persons and vehicles at a safe distance in advance of the vehicle, subject to the following requirements and limitations: Whenever the driver of a vehicle approaches an oncoming vehicle within five hundred (500) feet, or is within three hundred (300) feet to the rear of another vehicle traveling in the same direction, the driver shall use a distribution of light or composite beam so aimed that the glaring rays are not projected into the eyes of the other driver, and in no case shall the high-intensity portion which is projected to the left of the prolongation of the extreme left side of the vehicle be aimed higher than the center of the lamp from which it comes at a distance of twenty-five (25) feet ahead, and in no case higher than a level of forty-two (42) inches above the level upon which the vehicle stands at a distance of seventy-five (75) feet ahead.
(b) 
Failure to respond, pay the fine assessed, or appear in court regarding a violation of this Section is subject to the procedure set forth in § 15-28, and a warrant shall not be issued.
[Ord. No. 5479, 9-10-2024; Ord. No. 5484, 9-24-2024]
(a) 
Every motor vehicle and every motor-drawn vehicle shall be equipped with at least two (2) rear lamps, not less than fifteen (15) inches or more than seventy-two (72) inches above the ground upon which the vehicle stands, which when lighted will exhibit a red light plainly visible from a distance of five hundred (500) feet to the rear. Either such rear lamp or a separate lamp shall be so constructed and placed as to illuminate with a white light the rear registration marker and render it clearly legible from a distance of fifty (50) feet to the rear. When the rear registration marker is illuminated by an electric lamp other than the required rear lamps, all such lamps shall be turned on or off only by the same control switch at all times.
(b) 
Every motorcycle registered in this State, when operated on a street or highway of this City, shall also carry at the rear, either as part of the rear lamp or separately, at least one (1) approved red reflector, which shall be of such size and characteristics and so maintained as to be visible during the times when lighted lamps are required from all distances within three hundred (300) feet to fifty (50) feet from such vehicle when directly in front of a motor vehicle displaying lawful undimmed headlamps. A motorcycle may be equipped with a means of varying the brightness of the vehicle's brake light for a duration of not more than five (5) seconds upon application of the vehicle's brakes.
(c) 
Failure to respond, pay the fine assessed, or appear in court regarding a violation of this Section is subject to the procedure set forth in § 15-28, and a warrant shall not be issued.
[Ord. No. 5479, 9-10-2024; Ord. No. 5484, 9-24-2024]
(a) 
Every motor vehicle shall be equipped with a horn, directed forward, capable of emitting a sound adequate in quantity and volume to give warning of the approach of such vehicle to others using the street and to pedestrians. Such signal and device shall be used for warning purposes only and shall not be used for making any unnecessary noise. No other sound-producing signaling device shall be used at any time. Emergency vehicles of the Fire Department and underwriter salvage corps and vehicles being used by Police Officers in discharge of duty may use either a siren or bell; all other authorized emergency vehicles may use a bell or a horn only.
(b) 
Failure to respond, pay the fine assessed, or appear in court regarding a violation of this Section is subject to the procedure set forth in § 15-28, and a warrant shall not be issued.
[Ord. No. 5479, 9-10-2024; Ord. No. 5484, 9-24-2024]
(a) 
Required. Mufflers on motor vehicles must be so constructed that no discernible noise or sound from the motor shall emit therefrom, and it shall be unlawful for any person to alter or in any way change a muffler on a motor vehicle so as to cause a discernible noise or sound. It shall be the duty of operators of motor vehicles in the City at all times to keep and have mufflers in good working order, and the type of mufflers popularly known as the "Hollywood" muffler and similar types of mufflers are expressly prohibited.
(b) 
Cutouts. Muffler cutouts shall not be used and no vehicle shall be in such manner or condition that excessive and unnecessary noises shall be made by its machinery, motor, signaling device or other parts, or by any improperly loaded cargo. The motors of all motor vehicles shall be fitted with properly attached mufflers of such capacity or construction as to quiet the maximum possible exhaust noise. Any cutout or opening in the exhaust pipe between the motor and the muffler on any motor vehicle shall be completely closed and disconnected from its operating lever and shall be so arranged that it cannot automatically open or be opened or operated while such vehicle is in motion.
(c) 
Failure to respond, pay the fine assessed, or appear in court regarding a violation of this Section is subject to the procedure set forth in § 15-28, and a warrant shall not be issued.
[Ord. No. 5479, 9-10-2024; Ord. No. 5484, 9-24-2024]
(a) 
All motor vehicles, except motorcycles and motor-tricycles, shall be provided at all times with two (2) sets of adequate brakes, kept in good working order, and motorcycles and motor-tricycles shall be provided with one (1) set of adequate brakes kept in good working order.
(b) 
Failure to respond, pay the fine assessed, or appear in court regarding a violation of this Section is subject to the procedure set forth in § 15-28, and a warrant shall not be issued.
[Ord. No. 5479, 9-10-2024; Ord. No. 5484, 9-24-2024]
(a) 
All vehicles which are so constructed or loaded that the operator cannot see the road behind such vehicle by looking back or around the side of such vehicle shall be equipped with a mirror so adjusted as to reveal the road behind and be visible from the operator's seat.
(b) 
Failure to respond, pay the fine assessed, or appear in court regarding a violation of this Section is subject to the procedure set forth in § 15-28, and a warrant shall not be issued.
[Ord. No. 5479, 9-10-2024; Ord. No. 5484, 9-24-2024]
(a) 
Any vehicle carrying poles or other objects, which project more than five (5) feet from the rear or front of the vehicle, shall, during the period when lights are required, carry a red light at or near the rear end of the pole or other object projecting. At other times a red flag or cloth, not less than sixteen (16) inches square, shall be displayed at the end of such projection.
(b) 
Failure to respond, pay the fine assessed, or appear in court regarding a violation of this Section is subject to the procedure set forth in § 15-28, and a warrant shall not be issued.
[Ord. No. 5479, 9-10-2024; Ord. No. 5484, 9-24-2024]
(a) 
No person shall operate a motor vehicle equipped with iron or other metal tires on any street in the City without a special permit from the Director of Public Works, which permit shall prescribe the route and other conditions under which the vehicle may be operated, and no such vehicle shall travel in excess of ten (10) miles per hour on any street unless so directed by the Police.
(b) 
Failure to respond, pay the fine assessed, or appear in court regarding a violation of this Section is subject to the procedure set forth in § 15-28, and a warrant shall not be issued.
[Ord. No. 5479, 9-10-2024; Ord. No. 5484, 9-24-2024]
(a) 
When one (1) vehicle is being towed by another, they shall be coupled by a line so that the two (2) vehicles will be separated by not more than fifteen (15) feet and there shall be displayed on the tow line a white cloth or paper so that the same will be clearly visible to other users of the street. During the time lights are required, the required lights shall be displayed by both vehicles.
(b) 
Failure to respond, pay the fine assessed, or appear in court regarding a violation of this Section is subject to the procedure set forth in § 15-28, and a warrant shall not be issued.
[Ord. No. 5479, 9-10-2024]
All motor vehicles, and every trailer and semitrailer operating upon the streets or highways of this City and carrying goods or material or farm products which may reasonably be expected to become dislodged and fall from the vehicle, trailer or semitrailer as a result of wind pressure or air pressure and/or by the movement of the vehicle, trailer or semitrailer shall have a protective cover or be sufficiently secured so that no portion of such goods or material can become dislodged and fall from the vehicle, trailer or semitrailer while being transported or carried.
[Ord. No. 5479, 9-10-2024]
(a) 
The driver of any vehicle shall not drive the same when such vehicle is so loaded or is in such physical condition, or when there are in the front seat of such vehicle such number of persons, as to obstruct the view of the driver to the front or sides, or to interfere with the driver's control over the driving mechanism of the vehicle.
(b) 
A passenger in a vehicle shall not ride in such position as to interfere with the driver's view ahead or to the sides, or to interfere with the driver's control over the driving mechanism of the vehicle.
[Ord. No. 5479, 9-10-2024]
(a) 
Any person may operate a motor vehicle with front side wing vents or windows located immediately to the left and right of the driver that have a sun screening device, in conjunction with safety glazing material, that has a light transmission of thirty-five percent (35%) or more plus or minus three percent (3%) and a luminous reflectance of thirty-five percent (35%) or less plus or minus three percent (3%). Except as provided in Subsection (c) of this Section, any sun screening device applied to front side wing vents or windows located immediately to the left and right of the driver in excess of the requirements of this Section shall be prohibited without a permit pursuant to a physician's prescription as described below. A permit to operate a motor vehicle with front side wing vents or windows located immediately to the left and right of the driver that have a sun screening device, in conjunction with safety glazing material, which permits less light transmission and luminous reflectance than allowed under the requirements of this Subsection, may be issued by the State of Missouri Department of Public Safety to a person having a serious medical condition which requires the use of a sun screening device if the permittee's physician prescribes its use. The permit shall allow operation of the vehicle by any titleholder or relative within the second degree by consanguinity or affinity, which shall mean a spouse, each grandparent, parent, brother, sister, niece, nephew, aunt, uncle, child, and grandchild of a person, who resides in the household. Except as provided in Subsection (b) of this Section, all other sun screening devices applied to the windshield of a motor vehicle are prohibited.
(b) 
This Section shall not prohibit labels, stickers, decalcomania, or informational signs on motor vehicles or the application of tinted or solar screening material to recreational vehicles as defined in Section 300.010, RSMo.; provided, that such material does not interfere with the driver's normal view of the road. This Section shall not prohibit factory-installed tinted glass, the equivalent replacement thereof or tinting material applied to the upper portion of the motor vehicle's windshield which is normally tinted by the manufacturer of motor vehicle safety glass.
(c) 
Any vehicle licensed with a historical license plate shall be exempt from the requirements of this Section.
[Ord. No. 5479, 9-10-2024; Ord. No. 5484, 9-24-2024]
(a) 
"Passenger car" defined. As used in this Section, the term "passenger car" means every motor vehicle designed for carrying ten (10) persons or less and used for the transportation of persons; except that, the term "passenger car" shall not include motorcycles, motorized bicycles, motor-tricycles and trucks.
(b) 
Required; exceptions. Each driver, except persons employed by the United States Postal Service while performing duties for that Federal agency which require the operator to service postal boxes from their vehicles, or which require frequent entry into and exit from their vehicles, and front seat passenger of a passenger car manufactured after January 1, 1968, operated on a street or highway in this City, shall wear a properly adjusted and fastened safety belt that meets Federal National Highway, Transportation and Safety Act requirements; except that, a child less than four (4) years of age shall be protected as required in § 14-125 of this Code. Each driver of a motor vehicle transporting a child four (4) years of age or more, but less than sixteen (16) years of age, in the front seat of the motor vehicle shall secure the child in a properly adjusted and fastened safety belt. No person shall be stopped, inspected, or detained solely to determine compliance with this Subsection. The provisions of this Section shall not be applicable to persons who have a medical reason for failing to have a seat belt fastened about his or her body.
(c) 
Violation; penalty. Any person who violates any of the provisions of this Section shall be guilty of an offense and, upon conviction, may be punished by a fine of not more than ten dollars ($10.00). No court costs may be imposed for such violation, if court costs have been assessed on any other charge arising out of the same occurrence. Failure to respond, pay the fine assessed, or appear in court regarding a violation of this Section is subject to the procedure set forth in § 15-28, and a warrant shall not be issued.
[Ord. No. 5479, 9-10-2024; Ord. No. 5484, 9-24-2024]
(a) 
As used in this Section, the following terms shall mean:
CHILD BOOSTER SEAT
A seating system which meets the Federal Motor Vehicle Safety Standards set forth in 49 CFR 571.213, as amended, that is designed to elevate a child to properly sit in a Federally approved safety belt system.
CHILD PASSENGER RESTRAINT SYSTEM
A seating system which meets the Federal Motor Vehicle Safety Standards set forth in 49 CFR 571.213, as amended, and which is either permanently affixed to a motor vehicle or is affixed to such vehicle by a safety belt or a universal attachment system.
DRIVER
A person who is in actual physical control of a motor vehicle.
(b) 
Every driver transporting a child under the age of sixteen (16) years shall be responsible, when transporting such child in a motor vehicle operated by that driver on the streets or highways of this City, for providing for the protection of such child as follows:
(1) 
Children less than four (4) years of age, regardless of weight, shall be secured in a child passenger restraint system appropriate for that child.
(2) 
Children weighing less than forty (40) pounds, regardless of age, shall be secured in a child passenger restraint system appropriate for that child.
(3) 
Children at least four (4) years of age but less than eight (8) years of age, who also weigh at least forty (40) pounds but less than eighty (80) pounds, and who are also less than four (4) feet, nine (9) inches tall, shall be secured in a child passenger restraint system or booster seat appropriate for that child.
(4) 
Children at least eighty (80) pounds or children more than four (4) feet, nine (9) inches in height shall be secured by a vehicle safety belt or booster seat appropriate for that child.
(5) 
A child who otherwise would be required to be secured in a booster seat may be transported in the back seat of a motor vehicle while wearing only a lap belt if the back seat of the motor vehicle is not equipped with a combination lap and shoulder belt for booster seat installation.
(6) 
When transporting children in the immediate family when there are more children than there are seating positions in the enclosed area of a motor vehicle, the children who are not able to be restrained by a child safety restraint device appropriate for the child shall sit in the area behind the front seat of the motor vehicle unless the motor vehicle is designed only for a front seat area. The driver transporting children referred to in this Subsection is not in violation of this Section. This Subsection shall only apply to the use of a child passenger restraint system or vehicle safety belt for children less than sixteen (16) years of age being transported in a motor vehicle.
(c) 
Any driver who violates Subdivision (1), (2), or (3) of Subsection (b) of this Section is guilty of an offense and, upon conviction, may be punished by a fine of not more than fifty dollars ($50.00) and court costs. If a driver receives a citation for violating Subdivision (1), (2), or (3) of Subsection (b) of this Section, the charges shall be dismissed or withdrawn if the driver prior to or at his or her hearing provides evidence of acquisition of a child passenger restraint system or child booster seat which is satisfactory to the court or the party responsible for prosecuting the driver's citation.
(d) 
Any driver who violates Subdivision (4) of Subsection (b) of this Section shall be subject to the penalty in Section 307.178.5, RSMo., which provides that the driver shall be guilty of an offense and may be punished by a fine of not more than ten dollars ($10.00). No court costs shall be imposed and in no case shall points be assessed for violating Subdivision (4) of Subsection (b). Failure to respond, pay the fine assessed, or appear in court regarding a violation of this Section is subject to the procedure set forth in § 15-28, and a warrant shall not be issued.
(e) 
The provisions of this Section shall not apply to any public carrier for hire. The provisions of this Section shall not apply to students four (4) years of age or older who are passengers on a school bus designed for carrying eleven (11) passengers or more and which is manufactured or equipped pursuant to Missouri Minimum Standards for School Buses as school buses are defined in Section 301.010, RSMo.
[Ord. No. 5479, 9-10-2024]
(a) 
Any qualified motorcycle operator who is twenty-six (26) years of age or older may operate a motorcycle or motor-tricycle upon any highway of this State without wearing protective headgear if he or she in addition to maintaining proof of financial responsibility in accordance with Chapter 303, RSMo., is covered by a health insurance policy or other form of insurance which will provide the person with medical benefits for injuries incurred as a result of an accident while operating or riding on a motorcycle or motor-tricycle.
(b) 
Proof of coverage required by Subsection (a) of this Section shall be provided, upon request by authorized law enforcement, by showing a copy of the qualified operator's insurance card.
(c) 
No person shall be stopped, inspected, or detained solely to determine compliance with this Section.
[Ord. No. 5479, 9-10-2024]
(a) 
As used in this Section, the following terms shall mean:
COMMERCIAL MOTOR VEHICLE
The same meaning as is ascribed to such term in Section 302.700, RSMo.
ELECTRONIC COMMUNICATION DEVICE
A portable device that is used to initiate, receive, store, or view communication, information, images, or data electronically.
(1) 
Such term, shall include, but not be limited to: cellular telephones; portable telephones; text-messaging devices; personal digital assistants; pagers; broadband personal communication devices; electronic devices with mobile data access; computers, including, but not limited to, tablets, laptops, notebook computers, and electronic or video game systems; devices capable of transmitting, retrieving, or displaying a video, movie, broadcast television image, or visual image; and any substantially similar device that is used to initiate or receive communication or store and review information, videos, images, or data.
(2) 
Such term shall not include: radios; citizens band radios; commercial two-way radio communication devices or their functional equivalent; subscription-based emergency communication devices; prescribed medical devices; amateur or ham radio devices; or global positioning system receivers, security, navigation, communication, or remote diagnostics systems permanently affixed to the vehicle.
HIGHWAY
The same meaning as is ascribed to such term in Section 302.010, RSMo.
NON-COMMERCIAL MOTOR VEHICLE
The same meaning as is ascribed to such term in Section 302.700, RSMo.
OPERATING
The actual physical control of a vehicle.
OPERATOR
A person who is in actual physical control.
SCHOOL BUS
The same meaning as is ascribed to such term in Section 302.700, RSMo.
VOICE-OPERATED OR HANDS-FREE FEATURE OR FUNCTION
A feature or function, whether internally installed or externally attached or connected to an electronic communication device, that allows a person to use an electronic communication device without the use of either hand, except to activate, deactivate, or initiate the feature or function with a single touch or single swipe.
(b) 
Except as otherwise provided in this Section, while operating a non-commercial motor vehicle or commercial motor vehicle on any street or highway or property open to the public for vehicular traffic in this City, no operator shall:
(1) 
Physically hold or support, with any part of his or her body, an electronic communication device;
(2) 
Write, send, or read any text-based communication, including but not limited to a text message, instant message, email, or social media interaction on an electronic communication device. This Subdivision shall not apply to operators of a non-commercial motor vehicle using a voice-operated or hands-free feature or function that converts the message to be sent as a message in a written form; provided, that the operator does not divert his or her attention from lawful operation of the vehicle;
(3) 
Make any communication on an electronic communication device, including a phone call, voice message, or one-way voice communication; provided, however, that this prohibition shall not apply to use of a voice-operated or hands-free feature or function;
(4) 
Engage in any form of electronic data retrieval or electronic data communication on an electronic communication device;
(5) 
Manually enter letters, numbers, or symbols into any website, search engine, or application on an electronic communication device;
(6) 
Watch a video or movie on an electronic communication device, other than watching data related to the navigation of the vehicle; or
(7) 
Record, post, send, or broadcast video, including a video conference, on an electronic communication device; provided, that this prohibition shall not apply to electronic devices used for the sole purpose of continually monitoring operator behavior by recording or broadcasting video within or outside the vehicle.
(c) 
The operator of a school bus shall not use or operate an electronic communication device while the school bus is in motion unless the device is being used in a similar manner as a two-way radio to allow live communication between the operator and school officials or public safety officials. The operator of a school bus shall not use or operate an electronic communication device or a two-way radio while loading or unloading passengers.
(d) 
This Section shall not apply to:
(1) 
Law Enforcement Officers or operators of emergency vehicles, as such term is defined in Section 304.022, RSMo., who are both using the electronic communication device and operating the emergency vehicle in the performance of their official duties;
(2) 
Operators using an electronic communication device for the sole purpose of reporting an emergency situation and continuing communication with emergency personnel during the emergency situation;
(3) 
Operators of non-commercial motor vehicles using an electronic communication device solely through a voice-operated or hands-free feature or function;
(4) 
Operators of commercial motor vehicles using a voice-operated or hands-free feature or function, as long as the operator remains seated and is restrained by a seat belt as required by law;
(5) 
Operators of commercial motor vehicles reading a message displayed on a permanently installed communication device designed for a commercial motor vehicle with a screen that does not exceed ten (10) inches tall by ten (10) inches wide in size;
(6) 
Operators using electronic communication devices while the vehicle is lawfully stopped or parked;
(7) 
Commercial motor vehicles that are responding to a request for roadside assistance, when such response is conducted by a motor club as defined in Section 385.450, RSMo., or a towing company as defined in Section 304.001, RSMo.;
(8) 
The use of an electronic communication device to relay information between a transit or for-hire vehicle operator and that operator's dispatcher; provided, the device is mounted or affixed to the vehicle;
(9) 
The use of an electronic communication device to access or view a map for navigational purposes;
(10) 
The use of an electronic communication device to access or listen to an audio broadcast or digital audio recording; or
(11) 
The use of an electronic communication device to relay information through a transportation network company's digital network to a transportation network company driver; provided, the device is mounted or affixed to the vehicle.
(e) 
A Law Enforcement Officer who stops a non-commercial motor vehicle for a violation of this Section shall inform the operator of the operator's right to decline a search of their electronic communication device. No warrant shall be issued to confiscate or access an electronic communication device based on a violation of this Section unless the violation results in serious bodily injury or death.
(f) 
A violation of this Section shall not be used to establish probable cause for any other violation.
(g) 
The provisions of this Section shall be subject to the reporting requirements set forth in Section 590.650, RSMo.
(h) 
Prior to January 1, 2025, a Law Enforcement Officer who stops a non-commercial motor vehicle for a violation of this Section shall not issue a citation for a violation of this Section and shall only issue a warning.
(i) 
No person shall be stopped, inspected, or detained solely for a violation of this Section.
[Ord. No. 5479, 9-10-2024]
(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 on any street of this City or highway of this City which is part of the State or Federal highway system 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.
(b) 
The provisions of this Section shall only apply when a truck described in Subsection (a) of this Section is operated on a highway which is part of the State or Federal highway system or when such truck is operated within the corporate limits of this City. The provisions of this Section shall not apply to:
(1) 
An 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 a 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; or
(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 Subdivision the term "family" shall mean any persons related within the first degree of consanguinity.