Ключевые слова: agglomeration, business, companies, company, corporation, country, electric, electrification, engineering, equipment, express, family, gdynia, icc, industry, infrastructure, intercity, locomotive, modern, moving, national, operator, passenger, people, pkp, platforms, poland, public, rail, railroad, railway, regio, regional, reservation, service, shed, station, suburban, technology, the city, timetable, tlk, traction, train, transport, travel, urban, vehicle, wagons, woman,