Route 430 is a 40-kilometre (25 mi) long mostly North–South secondary highway in the northwest portion of New Brunswick, Canada. The route's Southern terminus starts at the eastern bank of the Miramichi River on the east side of the Miramichi Bridge on the intersection on Route 117 and Route 8 in the community of Newcastle. The road starts as Harvey Street and then Beaverbrook Blvd before separating from Route 8 when it continues north.