The timetables are published on the website of the public transport operator, DKV Traffic Close Corporation: www.dkv.hu/en
You can reach Debrecen by car on highway M35. In this case you should choose slip road Debrecen centrum/Hortobágy. Taking Road No. 35 you can come from the direction of Hajdúböszörmény. Taking Road No. 33 you can approach the city from the direction of Hortobágy. Taking Road No. 4 you might come from the direction of Nyíregyháza or Hajdúszoboszló.