Missouri

Highway safety laws differ from state to state. The summary information here can be used to compare laws in specific categories. We monitor legislative changes and update this information as needed.

RESTRICTIONS ON CELLPHONE USE AND TEXTING
Hand-held ban no
Young drivers all cellphone ban no
Texting ban drivers 21 and younger
Enforcement primary
MAXIMUM POSTED SPEED LIMITS
Rural interstates (mph) 70
Urban interstates (mph) 60
Other limited access roads (mph) 70
Other roads (mph) 65
YOUNG DRIVER LICENSING SYSTEMS
To get a learners license you must:
Have a minimum age of 15
YOUNG DRIVER LICENSING SYSTEMS
Before getting a license or restricted license you must:
Have a mandatory holding period of 6 months
Have a minimum supervised driving time of 40 hours, 10 of which must be at night
Have a minimum age of 16
YOUNG DRIVER LICENSING SYSTEMS
Restrictions during intermediate or restricted license stage:
Nighttime restrictions 1 a.m.-5 a.m.
Passenger restrictions

(family members excepted unless otherwise noted)
first 6 months—no more than 1 passenger younger than 19; thereafter, no more than 3 passengers younger than 19
YOUNG DRIVER LICENSING SYSTEMS
Minimum age at which restrictions may be lifted:
Nighttime restrictions entire intermediate stage (min. age: 17, 11 mo.)
Passenger restrictions entire intermediate stage (min. age: 17, 11 mo.)
REGULAR LICENSING RENEWAL CYCLE
Length of regular renewal cycle 6 years
OLDER DRIVER SPECIAL LICENSING PROVISIONS
Accelerated renewal 3 years for drivers 70 and older
Other provisions none
CHILD RESTRAINTS
Must be in child restraint 3 years and younger must be in a child restraint; all children who weigh less than 40 pounds must be in a CR; 4 through 7 years who weigh at least 40 pounds but less than 80 pounds and who are 4'9" or shorter must be in either a CR or booster seat; children 4 years and older who weigh at least 80 pounds or who are at least 4'9" tall must be in either a booster seat or safety belt
Adult safety belt permissible all children 8 through 16 years; all children 4 years and older who weigh 80 pounds or more or who are taller than 4'9"
Maximum fine 1st offense $50; $10 for violations involving children taller than 4'9" or who weigh 80 pounds or more
Seating preference law states no preference for rear seat
Children not covered all children covered
SAFETY BELT USE
Initial effective date 09/28/85
Standard enforcement? no (yes for children <16)
Who is covered? In what seats? 16+ years in front seat
Maximum fine 1st offense $10
Can nonuse decrease monetary awards for injuries in lawsuits? yes
MOTORCYCLE HELMET USE
Motorcyclists covered all riders
BICYCLE HELMET USE
Covered by state law no law
PICKUP TRUCKS: RESTRICTIONS ON RIDING IN CARGO AREAS
Restrictions on riding in cargo areas yes
Gaps in coverage people 18 and older; people 17 and younger if the vehicle is not being operated on a highway which is part of the state or federal highway system or within the corporate limits of any city; exceptions for employment; agricultural activities; parades; where there is a device to keep the passenger from being thrown or falling out of the vehicle; special events; assisting people in a recreational activity; family owned truck with insufficient room in the cab for all passengers; inapplicable to pickup trucks with covered cargo areas
LOW-SPEED VEHICLES
On which roads are low-speed vehicles permitted? roads with a posted speed limit of 35 mph or less
What is the top speed permissible for low-speed vehicles? 25 mph
MINITRUCKS
Initial effective date 08/14/08
Where permitted local option
Speed restrictions 45 mph
Vehicle classification under state law utility vehicle