In Rhode Island, any person fifteen (15) years of age or younger who is operating a bicycle,  skateboard, rollerskates, scooter or inline skates on a public way, recreational area, or school property is required to wear a helmet.  In no event shall failure to wear a helmet be considered as contributory or comparative negligence, nor shall the failure to wear a helmet be admissible as evidence in the trial of any civil action. RIGL § 31-19-2.1.