National road 91 (Poland)

Droga krajowa nr 91 (translates from Polish as "national road 91") is a route belonging to Polish national roads network. It runs from the seaport in Gdańsk to Częstochowa, and goes through Pomeranian, Kuyavian-Pomeranian, Łódź and Silesian Voivodeships. 
National road 91 is the alternative road for A1 motorway (partially tolled). As such, it runs parallel to: