Delivery of aggregates in specialized hopper wagons, Dosator/Szutrówka, Dumpcar, as well as in coal wagons with unloading at storage yards and trucks for the investment titled “Execution of design works and construction works under the task titled Works on railway line no. 352 Swarzędz Poznań Starołęka track no. 2 at km 3.977 to 8.372,” as part of the program titled “Improvement of safety and elimination of operational hazards on the railway network.”