New Brunswick Route 390

Route 390
Route 390
Route information
	Maintained by New Brunswick Department of Transportation
Major junctions
East end	Route 105 in
West end	Route 108 in Plaster Rock
Location
Major cities	, , , Arthurette, , , ,
Highway system
	Provincial highways in New Brunswick; Former routes;

Route 390 is a 12-kilometre (7.5 mi) long mostly east–west secondary highway in the northwest portion of New Brunswick, Canada.

The route's North-Eastern terminus starts at a sharp turn at route 105 in . The road travels south-east following the North bank of the Tobique River passing through the communities of and . The road continues north-east continuing to follow the Tobique River to the communities of , then Arthurette before crossing the river then following the south bank of the river. The road continues North-East to the communities of , , passing and finally , before ending in at Route 108 just outside Plaster Rock.