Maine
Last updated
Maine adopted the three-class e-bike framework with Maine LD 1222, effective September 19, 2019, and treats a compliant e-bike like a regular bicycle: no license, no registration, no insurance, and no title. Compliant means fully operable pedals and a motor of less than 750 watts; go bigger and it stops being an e-bike in the eyes of the state. Class 1 assists only while pedaling up to 20 mph and is legal for all ages, Class 2 may run on throttle alone up to 20 mph, and Class 3 assists while pedaling up to 28 mph with a required speedometer and classification label (29-A M.R.S. 2063). No one under 16 may operate a Class 2 or Class 3, though they may ride as a passenger, and every operator and passenger under 16 wears a helmet on any class; adults face no statewide helmet mandate.
All three classes ride roads and bike lanes wherever bicycles ride. On shared-use paths, Class 1 and Class 2 are allowed where bicycles are unless a local authority bars them, while Class 3 is barred from bike paths unless the path is within a roadway or specifically authorized. The trail rules change by land manager: Acadia allows Class 1 only on its carriage roads and Schoodic bike paths at a 20 mph limit, the Eastern Trail permits Class 1 and Class 2 but not Class 3, the motorized Down East Sunrise Trail welcomes e-bikes, and Baxter State Park bans them outright. Over 750 watts or with the limiter removed, it is regulated as a moped or motor vehicle instead. Our Maine bicycle and e-bike insurance page pairs these rules with the state's best rides, riding season, and events. The full breakdown is below.
Maine Bicycle & E-bike Laws
Bicycle Laws
- No-Fault State: NoMaine is a fault state. The at-fault driver's liability insurance pays, and there is no PIP. The $2,000 of medical payments coverage required on auto policies is written for the driver and passengers of the insured vehicle.
- Fault Rule: Modified Comparative Negligence, 50% BarA jury reduces your damages for your share of the blame, and a rider found equally at fault recovers nothing.
- Uninsured Motorist Coverage and Minimum Auto LiabilityUninsured motorist coverage is mandatory in every auto policy, at the policy's liability limits unless a lower amount is chosen in writing, and never below $50,000 per person and $100,000 per accident. Drivers must carry at least $50,000 per person, $100,000 per accident, and $25,000 for property damage.
- Deadlines: 6 Years to Sue, 365 Days for a Government NoticeA lawsuit for injuries or bike damage must be filed within six years. A claim against the state, a county, or a town needs written notice within 365 days and a lawsuit within two years.
- Safe Passing: 3 FeetDrivers must leave at least three feet when passing a bicycle, and a collision with a cyclist is prima facie evidence of a violation.
- Helmet Law: Under 16Riders and passengers under 16 must wear a helmet on bicycles and e-bikes. Riding without a helmet is not admissible as evidence in a civil or criminal trial.
E-bike Laws
The motor assists only while you pedal and cuts off at 20 mph; legal for all ages.
A throttle can propel the bike without pedaling, but assistance still ends at 20 mph; riders must be at least 16.
Pedal assist runs up to 28 mph; Maine requires a speedometer and a classification label (29-A M.R.S. 2063).
- Driver license: Not requiredOperators are exempt from the license, registration, and financial-responsibility rules that apply to motorists (29-A M.R.S. 2063(14)).
- Registration: Not requiredCompliant e-bikes are not motor vehicles, so there is no title, plate, or BMV visit.
- Insurance: Not requiredMaine mandates no coverage for any e-bike class, which leaves the financial risk on you.
- Minimum age: 16 for Class 2 & 3No one under 16 may operate a Class 2 or Class 3, though they may ride as a passenger; there is no age floor for Class 1 (29-A M.R.S. 2063(14)).
- Helmet: Under 16Every operator and passenger under 16 wears a helmet on any class (29-A M.R.S. 2063); adults face no statewide helmet mandate on any e-bike.
Where You Can Ride
- Roads & bike lanesAll three classes ride wherever bicycles ride, with the same rights and duties (29-A M.R.S. 2063).
- Shared-use pathsClass 1 and Class 2 are allowed where bicycles are unless a local authority bars them; Class 3 is barred from bike paths unless the path is within a roadway or specifically authorized (29-A M.R.S. 2063(14)).
- Acadia carriage roadsAcadia allows Class 1 only on its carriage roads and Schoodic bike paths, ridden like a bicycle at a 20 mph limit; Class 2 and Class 3 are prohibited there.
- Rail trails & state parksThe Eastern Trail permits Class 1 and Class 2 but not Class 3; the motorized Down East Sunrise Trail welcomes e-bikes; Baxter State Park bans them outright.
- Out-of-class e-motosOver 750 watts or with the limiter removed, it is no longer an e-bike under Maine law and is regulated as a moped or motor vehicle instead.
Maine adopted the three-class e-bike framework in 2019, and it treats a compliant e-bike like a regular bicycle: no license, no registration, no insurance, no title. Compliant means fully operable pedals and a motor of less than 750 watts; go bigger and it stops being an e-bike in the eyes of the state.
Effective September 19, 2019 under Maine LD 1222. Statutes: 29-A M.R.S. 101(22-B), 2063(14). Cities and park districts can add their own path and trail restrictions; check signage where you ride. Last reviewed June 2026.