European Rail Traffic Management System (ERTMS) er et fælleseuropæisk togkontrol- og kommunikationssystem, bestående af togkontrolsystemetETCS og GSM-R (R står for "Railway"). GSM-R er en særlig udgave af GSM (Global System for Mobile Communications) udviklet til jernbaneformål. Formålet med systemet er, at harmonisere de europæiske landes signalsystemer til én fælles standard.[1][2]
^ertms.net: ERTMS in brief Citat: "...ERTMS has two basic components: * ETCS, the European Train Control System, is an automatic train protection system (ATP) to replace the existing national ATP-systems; * GSM-R, a radio system for providing voice and data communication between the track and the train, based on standard GSM using frequencies specifically reserved for rail application with certain specific and advanced functions. For more information on GSM-R, please click here. ERTMS aims at replacing the different national train control and command systems in Europe. The deployment of ERTMS will enable the creation of a seamless European railway system and increase European railway's competitiveness......"