We have recently published estimates of road traffic and air transport in Wales in 2020 which show the impact COVID-19 had on travel across Wales.
Yn ddiweddar, rydym wedi cyhoeddi amcangyfrifon o draffig ffyrdd a chludiant awyr yng Nghymru yn 2020 sy'n dangos yr effaith a gafodd COVID-19 ar deithio ledled Cymru.