Proper noun
ERTMS
(railways, transport) Initialism of European Rail Traffic Management System (an initiative backed to greatly enhance safety, increase efficiency of trains and enhance cross-border interoperability of rail transport in Europe.)
The new trains will be equipped to use the new ERTMS in-cab signalling system, due to be fitted to High Speed 1 around 2040. citation Class 374 running on HS1 near Sellindge in Kent. Source: Internet
ERTMS makes them compatible to allow access to Spain in support Dasye. Source: Internet