Public transport - Service interface for real-time information relating to public transport operations - Part 1: Context and framework; English version EN 15531-1:2022
Edition 2022-10

Public transport - Service interface for real-time information relating to public transport operations - Part 2: Communications infrastructure; English version EN 15531-2:2022
Edition 2023-02

Public transport - Service interface for real-time information relating to public transport operations - Part 3: Functional service interfaces; English version EN 15531-3:2022
Edition 2022-10

Public transport - Service interface for real-time information relating to public transport operations - Part 5: Functional service interfaces situation exchange: Situation exchange; English version CEN/TS 15531-5:2022
Edition 2022-11

Public transport - Service interface for real-time information relating to public transport operations - Part 6: Functional service interfaces: Control Actions; English version CEN/TS 15531-6:2024
Edition 2024-08

Information technology - Information Resource Dictionary System (IRDS) services interfaces; Amendment 1: C language binding
Edition 1995-12

Information technology - Information Resource Dictionary System (IRDS) - Services interface; Amendment 2: Ada language binding
Edition 1996-11

Information technology - Information Resource Dictionary System (IRDS) services interface; Amendment 3: CORBA IDL binding
Edition 1996-12

Information technology - Information Resource Dictionary System (IRDS) - Service interface; Amendment 4: RPC IDL binding
Edition 1998-05

Public transport - Service interface for real-time information relating to public transport operations - Part 1: Context and framework
Edition 2022-10-01