Route 550 is a 30-kilometre (19 mi) long north–south secondary highway in the northwest portion of New Brunswick, Canada.

The route starts at Route 103 (Main Street) in Woodstock on the banks of the Meduxnekeag River and the Saint John River.

It then leaves the Woodstock commercial area and continues northeast, passing through Hartford, Briggs Corner, Lindsay, Lower Bloomfield, Bloomfield, and Carvell.

The road turns east at Digby Corner, and takes a sharp turn to the north in Good Corner.

The road ends at Route 110 in the community of Tracey Mills.