Rubuta ci gaba don wannan sakin layi - Hanyar zamani ta A470 ta samo asali ne daga kamfen a cikin 1970s ta "Western Mail" don hanya guda da ke haɗa Arewa da Kudancin Wales, a cikin jagorancin zaben raba gardama na Welsh na 1979
Ka yi haƙuri. Ya yi nasara, kuma a shekarar 1978, Ofishin Wales ya tattauna game da yiwuwar hanya ta hanyar tsakiyar kasar, wanda aka aiwatar a shekara mai zuwa.