Słowa kluczowe: freight transport, integrated transportation and logistics systems, city logistics, LCC analysis, life cycle cost, track gauge change, neural networks, road traffic, traffic signals, quality, competition in transport, standard of trip, demand on transport services, synthetic and partial qualitative criteria in transportation, passenger railway transport, transport offer, safety, networkig, multi-stakeholder partnership, strategy, project SOL, cargo between Poland and Russia, transport security, liability of the carrier, the choice of the optimal route due to time, cost and safety, rail vehicle, modernisation, locomotive, Electric Multiple Unit, diesel-generator of a diesel locomotive, transient process, limiting characteristic, method for determination, vehicle energy demand, automotive electrical system voltage, safe vehicle operation and maintenance, railway wheels, shot peening, fatigue strength, surface layer, FMEA, analysis, failure, turbocharge, developing reliability, operational reliability, artificial neural networks