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 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 1: Context and framework; English version EN 15531-1:2022
Edition 2022-10

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

Public transport - Network and Timetable Exchange (NeTEx) - Part 1: Public transport network topology exchange format; English version CEN/TS 16614-1:2020, only on CD-ROM
Edition 2020-07