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 - Reference data model - Part 4: Operations monitoring and control; English version EN 12896-4:2019, only on CD-ROM
Edition 2020-01

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 - Network and Timetable Exchange (NeTEx) - Part 2: Public transport scheduled timetables exchange format; English version CEN/TS 16614-2:2020, only on CD-ROM
Edition 2020-08