d85b2f49_Segway_laws__New_Hampshire_bicycle_law
[New Hampshire EPAMD law] designed to transport only one person, [Comments] While the EPAMD is "designed to transport only one person", the Segway legislation, unlike the bicycle legislation, includes no prohibition against unsafe use practices -- too many people aboard, etc. [New Hampshire bicycle law] 
265:144 Riding on Bicycles.  I. A person propelling a bicycle shall not ride other than upon or astride a permanent and regular seat attached to the bicycle. II. No bicycle shall be used to carry more persons at one time than the number for which it is designed and equipped. III. No person riding upon any bicycle, coaster, roller skates, skateboard, sled or toy vehicle shall attach the same or himself to any vehicle upon a roadway. IV. No person operating a bicycle shall carry any package, bundle or article which prevents the driver from keeping at least one hand upon the handlebars.
Segway laws
New Hampshire bicycle law