Source: Governors Highway Safety Association
Segway LLC manufactures electronically propelled two-wheeled devices designed to transport one person with a maximum speed of less than 20 mph. In most states, Segways must follow the rules pertaining to pedestrians while on roads and sidewalks, such as traveling on the left side of the road, facing traffic.
Some states have minimum age requirements for operators or mandate helmet use for certain ages. One state (New Jersey) requires helmet use for all ages. No states require the operator of an to be licensed. Segways are exempted from registration requirements.
To date, Segways have been classified as neither a motor vehicle nor a consumer product. The Consumer Product Safety Commission issued a preliminary opinion that they should be considered "consumer products" and therefore not be regulated by the National Highway Traffic Safety Administration. This designation may change if Segways or other similar electronic personal mobility devices become more common.