|Location Map ( geo)|
|Junctions related to the A4051|
Malpas Interchange is junction 26 of the M4 at Newport, Monmouthshire. It was originally an interchange with the primary A4042, before it was rerouted to J25A as a result of the Brynglas Tunnels and Malpas Road Relief scheme. Under that scheme the A4042 Malpas Road was renumbered as an extension of the non-primary A4051.
|Cwmbran||formerly primary A4042|
|Newport, Caerleon (B4596)||formerly A4042|