U.S. Federal Route 34 is a east-west highway in Central Warren County. This is a two-lane road from the Henderson/Warren County Line to Monmouth. From Monmouth to the Knox/Warren County Line it is a four lane highway. U.S. Rt. 34 passes through the follow town in Warren County. Monmouth
U.S. Rt. 34 is multi-plexed in Warren County. U.S. Rt. 67, near Monmouth.
WB U.S. Rt. 34 west of Kirkwood. WB U.S. Rt. 34 west of U.S. Rt. 67/IL St Rt 110. A BGS on NB U.S. Rt. 67. A Warren County mile marker. EB U.S. Rt. 34/NB U.S. Rt. 67 south of Monmouth. EB U.S. Rt. 34/IL St Rt 164; NB U.S. Rt. 67 on the northeast side of Monmouth. A street sign in Monmouth. EB U.S. Rt. 34/IL St Rt 164 northeast of Monmouth. A BGS at the Cameron exit. EB U.S. Rt. 34 near Cameron. WB U.S. Rt. 34 at the Warren/Knox County Line.
