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Take a Renfe train from ''Barcelona-Passeig de Gracia'' (there are even more trains from ''Barcelona-Sants'') on the R2 or R2 Nord line, direction: Granollers Centre (R2) or Macanet-Massanes (R2 Nord). Get off at station ''Montcada i Reixac''. (This train will take you about 20 minutes and costs €2,20 (2018)). Exit the train station to the left, through the second exit in the direction of the train. Walk under the railways and pass through the station building. At the other side you will find yourself at a small shopping district with a one way street. Follow it to the right. Pass the church, traffic lights, and cross the pedestrian bridge. Once over the bridge, turn left and follow the fenced in school playground around to the right. You should now see the motorway above you and parking below the motorway. Continue following the motorway until you see the road dip down and to the right under the railroad. Go under the bridge. Up ahead and to your left you will see a very broken vertical turnstile and a sign saying "forbidden" (see a picture here: http://imgur.com/MLxJc29). Ignore the sign and follow the foot path to the right, to the service road along the motorway. This service road goes right into the back of a Gasolinera Galp Montcada Norte petrol station.<br/ >

Hitch there by asking around, or with a sign where the exits converge. Keep in mind that the toll is only two kilometers ahead, so try for shorter distances to get past the toll and onto a different rest stop. [[User:sovereign|Sovereign]], after waiting for 15 minutes (standing, with sign) at the Galp station was told by an employee to fly a sign with "Girona" instead of "FR". Girona works far better and there is another station before and after Girona.

This good petrol-station is on the C33 motorway (which leads to the Autopista del Mediterraneo, AP7/ E15) and is just 10 minutes away from Barcelona city centre by train. You can find cars going to Girona, Figueres, and sometimes even much further: straight into France.