Bicycle Helmet Laws in Tennessee
Last reviewed by BikeSize EditorialThis guide is for general information only and is not legal advice. Laws change - verify current rules with your state DOT or a licensed attorney before relying on this for any legal matter. Read full disclaimer.
The rule
Tennessee requires a bicycle helmet for any rider under the age of 16. The same rule extends to children carried as passengers in a child seat or trailer. TCA § 55-52-105 requires every person under 16 to wear a properly fitted and fastened approved bicycle helmet whenever operating or riding as a passenger on a bicycle on any public road, sidewalk, or bike path. Penalties are de minimis - the violation is not punishable by a fine - but the law is intended to support helmet education and parental responsibility. See TCA § 55-52-105 (Helmet required for bicycle riders under sixteen). Read the national helmet laws guide for comparison. Confirm equipment fit with the helmet size calculator before relying on an age rule alone.
Statute
What this means in practice
If you're 16 or older, Tennessee doesn't require you to wear a helmet by state law. Riders under 16 (and any child carried as a passenger) must wear a helmet that meets the CPSC standard.
Cities can be stricter than the state floor, and bike-share systems often require helmets regardless of age. If you're renting or commuting in a major city, confirm the local rule before you ride.
Get the fit right
Find your CPSC-certified helmet size
A helmet that meets the law but does not fit will not protect you. Measure your head circumference, then shop a size band you can trust.
Open the helmet size calculator