American Association of State Highway and Transportation Officials, U.S. Route Numbering Sub-Committee Agenda (1974)
“ NEW HAMPSHIRE U.S. Route 3 Relocation and Establishment of a Business Route Laconia Approved Beginning at the intersection of present U.S. and a newly constructed facility north of Laconia, thence in an easterly and southerly direction over the newly constructed facility to the intersection of present U.S. 3 south of Laconia, presently designated U.S. 3 to be redesignated as U.S. 3 Business. ”
