PKP Polish Railway Lines JSC (PKP PLK S.A.) is a company of PKP Group responsible for management of national railway network. Main product of PKP PLK S.A. is timetable constructed according to clients - passenger or freight railway operator -order, sold on the contractual basis as a train path. 

PKP Polish Railway Lines JSC offers:

- construction of timetable
- granting railway lines to operators
- running railway traffic
- use of railway lines area for commercial purposes
- investment services