BS ISO 21219-21. Intelligent transport systems. Traffic and travel information (TTI) via transport protocol experts group, generation 2 (TPEG2). Part 21. Geographic location referencing (TPEG-GLR)
Edition 2023-06-21

Intelligent transport systems - Location referencing harmonization for Urban ITS - Part 1: State of the art and guidelines (Endorsed by Asociación Española de Normalización in July of 2019.)
Edition 2019-07-01

Intelligent transport systems - DATEX II data exchange specifications for traffic management and information - Part 2: Location referencing (Endorsed by Asociación Española de Normalización in April of 2019.)
Edition 2019-04-01

Traffic and Travel Information (TTI) - TTI via Transport Protocol Expert Group (TPEG) data-streams - Part 6: Location referencing applications (ISO/TS 18234-6:2006) (Endorsed by AENOR in January of 2014.)
Edition 2014-01-01

Intelligent transport systems - Traffic and travel information messages via traffic message coding - Part 3: Location referencing for Radio Data System - Traffic Message Channel (RDS-TMC) using ALERT-C (ISO 14819-3:2021) (Endorsed by Asociación Española de Normalización in April of 2021.)
Edition 2021-04-01

Traffic and Travel Information (TTI) - TTI via Transport Protocol Expert Group (TPEG) data-streams - Part 6: Location referencing applications (ISO/TS 18234-6:2006)
Edition 2006-09-01

Location Referencing Message Specification (LRMS)
Edition 2019-06-11

Location Referencing Message Specification
Edition 1999-07-21

ISP-Vehicle Location Referencing Standard
Edition 2019-10-03

Intelligent transport systems. Location Referencing Harmonisation for Urban-ITS. Transformation methods
Edition 2019-10-07