The Cabinet Secretary for Economy and Transport has approved an increase to the scheme budget and agreed in principle to commence dispute proceedings against Costain.
Mae Ysgrifennydd y Cabinet dros yr Economi a Thrafnidiaeth wedi cymeradwyo cynnydd i gyllideb y cynllun ac wedi cytuno o ran egwyddor i gychwyn achos anghydfod yn erbyn Costain.