Because many citizens in the low emission zones in Copenhagen, Frederiksberg, Odense, Aalborg, and Aarhus are exposed to air pollution and noise from trucks and traffic accidents involving trucks.
Your truck must comply with the rules in the low emission zones, even if you pay toll.
You can see the higher toll in the low emission zones on the page "How much do I have to pay".
Can my truck drive in a low emission zone if I pay the toll?
The truck must also comply with the rules in the low emission zones, otherwise, you risk receiving a fine of DKK 12,500.
If you drive an older diesel truck weighing more than 3.5 tones, it must have a particulate filter fitted or be at least Euro Norm VI.