U.S. Federal Route 422 runs east-west across Southwestern Trumbull County. It runs from the Portage/Trumbull County Line, near Southington, to the Mahoning/Trumbull County Line, near Youngstown. U.S. Rt. 422 passes through the following towns in Trumbull County. Southington Warren Niles McDonald U.S. Rt. 422 is multi-plexed in Trumbull County. Ohio State Route 169, at Warren. U.S. Rt. 422 intersects the following highways in Trumbull County. Ohio State Route 305, at Southington. Ohio State Route 534, at Southington. Ohio State Route 5, at Warren. Ohio State Route 82, at Warren. Ohio State Route 169, at Warren. Ohio State Route 45, at Warren. Ohio State Route 169, at Warren. Ohio State Route 46, at Warren. Ohio State Route 169, near Niles. Ohio State Route 304, near McDonald. Interstate 80, near McDonald. Ohio State Route 11, near McDonald.
A BGS on WB I-80. A BGS on the ramp from WB I-80 to SB OH St Rt 711. A guide marker for U.S. Rt. 422. Photo from: Paul Dienhart
