GHSA maintains data on state laws surrounding a number of highway safety issues. Below is information regarding laws in the state of Missouri. For more information, consult the State Highway Safety Office.
Motorcyclists may ride without helmets if they are 26 yrs or older and have medical insurance.
6 years
70 and over: renewal every 3 years
None
None
Decriminalized and legal for medical use
70
70
60
60
70
70
Yes
0.15
90 days
After 0 days with interlock use (restricted); After 30 days (restricted)
Mandatory for repeat convictions
No
Under 4 yrs or under 40 lbs in child safety seat
4-7 yrs and 40-80 lbs and 4'9" or shorter in child safety seat or booster seat
At least 80 lbs or taller than 4'9" in booster seat or safety belt
At least 8 yrs and 80 lbs or taller than 4'9"
18 years
15
6
40 (10)
16
1 a.m. - 5 a.m.
First 6 months: no more than 1 under 19 Thereafter: no more than 3 under 19
8 and over
8-15 yrs: All (primary enforcement) 16 and over: Front
Secondary; Primary for riders ages 8 through 15
Yes. Secondary Law. (Effective 8/29/2023; citations begin 1/1/2025)
Yes. Secondary Law. (Effective 8/29/2023; citations begin 1/1/2025)
No
For drivers 21 and under. Primary law.
All drivers. Secondary Law. (Effective 8/29/2023; citations begin 1/1/2025)
No state law
Permitted by city ordinance
No state law
Permitted by city ordinance
“It’s about being able to leverage technology, & A.I. in this case, to help us better understand what people are doing behind the wheel that potentially puts themselves & others at risk,” said Pam Shadel Fischer, senior director of external engagement for the Governors Highway Safety Association.
FOR IMMEDIATE RELEASE
May 26, 2021
CONTACT: Adam Snider, 202-580-7930
202-365-8971 (after hours)
As traffic volumes rise, State Highway Safety Offices increase efforts to protect road users
Strong, enforceable laws are key to curbing distracted driving. As Missouri considers new legislation, Jon Nelson of MODOT discusses the challenges distraction poses in the state.
January 27, 2019
The Missouri Department of Transportation (MoDOT) launched the Buckle Up Phone Down (BUPD) challenge in early 2017 to drive down the increasing number of fatalities on Missouri roadways. The challenge focuses on two critical issues every Missourian can help address: unbuckled fatalities and distracted driving crashes. While only 13 percent of Missourians aren't buckling up, nearly two-thirds of people killed in crashes in the state are unbuckled.
Motorcycle Helmet Required?
Motorcyclists may ride without helmets if they are 26 yrs or older and have medical insurance.
Length of Regular Renewal Cycle
6 years
