Austrian tolls are run by 3 companies. The length of the network are 2 199km and it is a free-flow system.
HOW TO PAY TOLLS IN AUSTRIA
It is a distance related toll for HGV (gross vehicle weight over 3,5 t), buses and heavy motor homes which use Austrian motor-and expressways. The rates depend on the number of axles, number of kilometers traveled and the EURO emission class of the vehicles.
GO-BOX: (On boardunit) was especially developed for the HGV toll. The GO BOX can be used in Pre-pay or Post-pay mode.
TOLL2GO: Interoperability between Austria and Germany: the TollCollect on-board unit can be activated also for the austrian motorway.
You can install the OBU with the Toll Collect agreed Service Partner as soonas you get the email confirming the vehicle registration