Pa asesiad mae'r Gweinidog wedi'i wneud o'r effaith y bydd canlyniadau'r adolygiad ffyrdd yn ei chael ar dagfeydd?
Wedi'i ateb gan Y Dirprwy Weinidog Newid Hinsawdd | Wedi'i ateb ar 24/02/2023
Our approach over the last 70 years to building roads has served to increase congestion. As the roads review points out, increasing road capacity leads to more travel, more traffic and more congestion through induced demand.