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

Integrated Services Digital Network (ISDN) - Programming Communication Interface (PCI) for Euro-ISDN; English version ETS 300325:1994
Edition 1994-08

Universal Serial Bus interfaces for data and power - Part 2-1: Universal Serial Bus Specification, Revision 2.0 (IEC 100/2331/CDV:2014); English version FprEN 62680-2-1:2014
Edition 2015-05

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

Universal serial bus interfaces for data and power - Part 1: Universal serial bus specification, Revision 2.0 (IEC 62680-1:2013); English version EN 62680-1:2013
Edition 2015-02

Public transport - Service interface for real-time information relating to public transport operations - Part 4: Functional service interfaces: Facility monitoring; English version CEN/TS 15531-4:2021
Edition 2022-05

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

Intelligent transport systems - Public transport - Open API for distributed journey planning; English version CEN/TS 17118:2017
Edition 2018-02

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