the line in poland from kostrzyn to piła is double track except for a short section at the eastern exit of gorzów station. the line is single track from piła to gutowiec. the line is now duplicated again from gutowiec to bogaczewo. it is single track from bogaczewo to the national border with russia in braniewo. from elbląg to kaliningrad, a russian broad gauge track was laid next to the standard gauge track; this has been dismantled between elbląg and bogaczewo. this track is still present in młynary, but unused. between chrusciel and braniewo the ballast is missing and it is not usable. from tczew to bogaczewo the line is operated with electric trains. as the line passes through a sparsely populated area, far from urban areas, the eastern railway here only carries minor traffic.