The Greek Operational Research Society (Ε.Ε.Ε.Ε.), the Department of Business and Administration TEI Piraeus and the Piraeus Chamber of Commerce and Industry co-organised the 16th Conference of Operational Research focusing on Multi-Criteria Analysis and Decision Support in Transport, which took place with great success on 15-17 February in Piraeus, Greece.   NTUA actively contributed with two presentations: