BUSN U.S. Rt. 302 is a short loop in the Intervale area. It is locally known as the Intervale Resort Loop. This highway is designated as BUSN U.S. Rt. 302, but not sign as such. It is only signed as New Hampshire State Route 16A. BUSN U.S. Rt. 302 passes through the following town in Carroll County. Bartlett BUSN U.S. Rt. 302 is multi-plexed in Carroll County. New Hampshire State Route 16A, at Bartlett. BUSN U.S. Rt. 302 intersects the following highways in Carroll County. U.S. Rt. 302, at Bartlett. New Hampshire State Route 16, at Bartlett. New Hampshire State Route 16A, at Bartlett. U.S. Rt. 302, at Bartlett. New Hampshire State Route 16, at Bartlett. New Hampshire State Route 16A, at Bartlett.