Autobahn Service Stations & Snack Bars (Source: Webmaster's collection) The EES Autobahn service station and snack bar, a.k.a. Blue Danube Snack Bar, mid-1950s. The snack bar seen in the older (1948) photo, was located in a small building behind the service station. The service station was located at the Ingolstadt North exit on the A9 Autobahn.