Monmouth is located beside the A40 dual carriageway road that links the M4 motorway at Newport in South Wales with the M50 motorway at Ross-on-Wye; this connects in turn with the M5 motorway south of Worcester in the West Midlands.
Monmouth berdiri di tepi jalan dual carriageway A40 yang menghubungkan M4 Motorway di Newport, South Wales ddengan M50 Motorway di Ross-on-Wye; jalan tersebut kemudian terhubung dengan M5 Motoway di selatan Worcester di West Midlands.