Key Market Indicators
In the UK, road traffic volume is projected to reach over 615 million vehicle-kilometers in 2026. This is an increase of 0.8% on average each year since 2021, when the figure stood at around 585 million vehicle-kilometers. Since 1999, the annual growth rate has been 1.4%. Japan topped the rankings in 2021 with 584.6 million vehicle-kilometers, followed by the UK, Australia and then the UK again.