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There is a nice [[gas station]], ''Aachener Land'', on the A4, not too far east of Aachen. It's good to get into the Netherlands and Belgium, and on the other side it's probably good to go anywhere in [[Germany]]. The fastest way to get there is by taking bus #52 from the ''Busbahnhof''. It stops directly on close to the service area.In the bus #52 there are ticket controllers higher-than-average, and you have to show your ticket to the driver when entering the bus (but mostly you can show anything looking like a ticket). If you want to avoid this, start from Europaplatz just where the cars enter the highway from the roundabout. When going to east (direction Köln), leave ''Aachener Land'' behind you. When going to west, step out at the gas station and do a little walk over the bridge nearby to cross the highway.