In 2022 traffic on trunk roads saw the largest increase (15.9%) compared to 2021, followed by motorway (15.6%), and then county roads (7.1%).
Yn 2022, ar gefnffyrdd y gwelwyd y cynnydd mwyaf mewn traffig (15.9%) o gymharu â 2021, wedyn traffyrdd (15.6%), ac wedyn ffyrdd sirol (7.1%).