The programme is focused on roads in the greatest need of repair, with more than 200,000 potholes set to be fixed or prevented, and improvements made to pavements across the country.
Mae'r rhaglen yn canolbwyntio ar ffyrdd sydd angen eu hatgyweirio fwyaf, gyda dros 200,000 o dyllau i'w trwsio neu eu hatal, a gwelliannau wedi'u gwneud i balmentydd ledled y wlad.