Before revision: The Interface was further developed by the German TRIAS project and led to the development of a CEN Standard [[ 278 WI 00278420 E-RS-170118-final3.pdf |Open API for distributed journey planning']] (CEN/TS 17118:2017) published in 2017 to provide a standard interface to trip planners, incorporating features from JourneyWeb and EU-Spirit and making use of the SIRI Protocol Framework and the Transmodel reference model.
After revision: The Interface was further developed by the German TRIAS project and led to the development of a CEN Standard [[ Journey planner |Open API for distributed journey planning']] (CEN/TS 17118:2017) published in 2017 to provide a standard interface to trip planners, incorporating features from JourneyWeb and EU-Spirit and making use of the SIRI Protocol Framework and the Transmodel reference model.