Mae’r astudiaeth i gydnerthedd coridor yr A55 a’r A494, sy’n adolygu gofynion y llwybr o Gaer i Gaergybi, eisoes wedi cynhyrchu prosiectau atebion cyflym a thymor byr. Mae opsiynau gwella tymor byr, canolig a hir pellach a nodwyd trwy’r astudiaeth yn cael eu datblygu trwy Gam 2 astudiaeth WelTAG ar gyfer arfarniad pellach.
The study into the resilience of the A55 and A494 corridor, which is reviewing the requirements of the route from Chester to Holyhead, has already produced some quick and short term win projects. Further short, medium and long term improvement options identified through the study are now being progressed through a Stage 2 WelTAG study for further appraisal.