22. 11. 2019 OLTIS Hungaria at the NavigátorVilág Conference 21. 11. 2019 Employee Christmas meeting of the OLTIS Slovakia and OLTIS Group companies in Bratislava 21. 11. 2019 Employee Christmas meeting of the OLTIS Group companies in Prague 20. 11. 2019 OG Seminar 2019 18. 11. 2019 InnoRail 2019 10. 11. 2019 SpeedCHAIN Conference 7. 11. 2019 The 8th International Transport & Logistics Exhibition TransLogistica 25. 10. 2019 Interoperability as our main topic in Helsinki 30. 9. 2019 International Railway Fair – TRAKO