Purpose: The study aims to expand on the concept of an early warning system (EWS) by introducing weak-signal detection, human-in-the-loop (HIL) verification and response tuning as integral parts of an EWS's design. Design/methodology/approach: The authors bibliographically highlight the...

The paper identifies, formulates and resolves several problems arising from dealing with the economic and social pillars of sustainable public transport. In the first part of the paper three pillars of sustainable transport are presented. The second part studies harmonization problems of...