The Cabinet Secretary for Economy and Transport has approved market testing for potential design and construction arrangements for the M4 Corridor around Newport.
Mae Ysgrifennydd y Cabinet dros yr Economi a Thrafnidiaeth wedi cymeradwyo gwaith profi’r farchnad mewn perthynas â threfniadau dylunio ac adeiladu posibl prosiect Coridor yr M4 o amgylch Casnewydd.