Create an envelope code A maximum of 12 bar codes can be scanned at Pit stop. If you carry more bar code documents than the accepted amount, please create an envelope code in order to travel. Create an envelope code here Find the Border Facilities building in Calais The Border Facilities building in located in Le Truck Village on the Calais terminal. Useful documents to travel with Eurotunnel Freight Get ready for Pit stopsTravelling to the UK with an ATA/TIR carnet Border documents with a barcode to show at the Pit stop At the UK Pit stopAt the Pit stop in France Questions asked at Pit stops When you arrive in Calais Your customs status When arriving in Calais, you are now required to follow either the green itinerary for the A16 motorway or the orange itinerary to the Centre Douane SIVEP for further inspection. The Driver Info web app available at driver.eurotunnelfreight.com notifies you of the itinerary to follow when your shuttle arrives in Calais.