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Sanef assistance - FAQ

What are the different payment solutions available for the Boulay Moselle free flow-toll on the A4?

Several payment solutions are available to enable you to pay your free-flow Boulay-Moselle tolls on the A4 (interchange n° 36).

To take full advantage of the easy-to-use free-flow tolls, opt for automatic payment:

  • by subscribing to the Liber-t toll tag: the tag is detected when your vehicle passes under the gantry, your journeys are invoiced and debited from your bank account every month.
  • by creating your Sanef customer account on the website www.sanef.com and activating the automatic payment option: recording your vehicle registration number and bank card enables us to automatically debit the toll charges corresponding to your journeys.


    • If you prefer to pay your toll charges after each journey, you must pay within a period of 72 hours following each passage:

  • on the website www.sanef.com
  • at the payment terminal installed in immediate proximity to the gantry