To support international freight transport, Union Tank Eckstein GmbH & Co. KG (
Tolls are calculated based on the number of kilometres travelled. Drivers are also able to save time by using the ENC track system, which does not require them to stop at the toll station.
The OBU is available for vehicles in the III and IV categories and can be obtained via registration with the UTA card at sales stations of Croatian tolling company HAC. It can be used on its network as well as the ARZ highway operators.
Any charges due will be settled using the post-payment method via UTA.