Aretai provides consultancy services in the area of train control and signalling systems, specifically in the field of ERTMS, the European Rail Traffic Management System.
These services are based on long term experience with the development and evolution of the European ERTMS specifications. Since 1997 Aretai staff is deeply involved in the European process where the ERTMS specifications are defined. In the triangle of the European Railway Agency (ERA), the European signalling industry (UNISIG) and the railways (CER, EIM, ERTMS Users Group, UIC) Aretai staff is playing a leading technical role on the railway side.


Any fool can know. The point is to understand.  — Albert Einstein