The department of transportation shall design, locate and erect suitable signs to mark the bicycle paths or trails established pursuant to the provisions of RSA 12-B:4 along class I, II, III and IV highways so designated as bicycle paths and trails.
N.H. Rev. Stat. Ann. § 230:77
Bicycle Highways
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.