Received January 30, 2021 ; Accepted May 05, 2021.

Special Issue on operations resarch tools in transport and logistics.

Open Access na licencji Creative Commons CC BY-NC-ND.

Supported by the National Science Centre (K.B., S.A. and S.W.).

The program of the Minister of Science and Higher Education under the name “Regional Excellence Initiative” in the years 2019–2022 (D.R. and W.J.).