Every person driving a motorcycle shall be granted all the rights and shall be subject to all the duties applicable to the driver of any other vehicle under this title, except as to provisions of this title which indicate otherwise and except as to those provisions of the title which by their nature can have no application.
N.H. Rev. Stat. Ann. § 265:119
Traffic Laws Apply to Persons Driving Motorcycles
Source
Official source: New Hampshire General Court. Reproduced from public-domain New Hampshire statutes; confirm against the official source for the current text. Not legal advice.