The state's index can be searched for additional rules and regulations here: http://www.gencourt.state.nh.us/rsa/html/indexes
Segway Rules:
As stated in the NH State Legislation, "Operation Permitted on Sidewalks and Roadways. An operator... shall have the rights and duties of pedestrians prescribed in RSA 265:34-40."
Bicycle Rules:
The following are NH State laws: