The A468 is a principal road from Newport to Nantgarw. The current route begins at the A467 in Bassaleg then passes through Rhiwderin, Machen, Trethomas, Bedwas and Caerphilly, terminating on the A470.
|Length||11.9 mi (19.2 km)|
|east end|| A467 Bassaleg|
|west end|| A470 Nantgarw|
Originally the A468 began at the Handpost Pub on the junction with the former A467 (reclassified to B4240) and proceeded west along Bassaleg Road, passing under a pair of stone arch bridges carrying the Ebbw Valley Railway and the Brecon and Merthyr Railway before reaching the current starting point.