The PKP connection between Koluszki and Grajewo is operated by IC Intercity. The first direct train departs at 17:04 from Koluszki station. The last train to Grajewo leaves at 17:04. The fastest train without transfers is SŁOWACKI. The journey on this train takes 04:54. Currently on the route Koluszki – Grajewo there are no other trains operated by PKP Intercity. The train finishes at Grajewo.
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