Route 110 is a highway in New Brunswick, Canada; running from Route 130 in Florenceville to the east. The route runs west where it turns into Centreville Rd passing the northern terminus of Route 103. The Route continues west passing under Trans-Canada Highway at exit 153 west of Florenceville, the route passes by Hunters Corner as it enters the village of Centreville crossing Route 560. The route continues north-west passing through Tracey Mills at the northern terminus of Route 550, then turns east before Lower Royalton, to the Canada-U.S. border near Bridgewater, Maine, where it continues as an unnumbered connector road named Boundary Line Road to U.S. Route 1. Route 110 is 14.8 kilometres long.
Route 110 was known as Route 6 until 1965, and Route 555 between 1965 and 1976.
- ^ New Brunswick Department of Transportation: Designated Provincial Highways, 2003