SUPPORTING OVERALL INTEROPERABILITY IN THE TRANSPORT SECTOR BY MEANS OF A FRAMEWORK - THE CASE OF THE ITS STATION
he transport sector includes participation from different stakeholders, with different objectives and different responsibilities up front of each other. The information and communication technology available lays a ground for efficient collaboration by means of exchange of information between the stakeholders. Such information exchange requires interoperability at different levels. Technical interoperability is facilitated to a large extent by the information and communication technology; however, business level interoperability needs another set of means as facilitators. This paper presents some of the experiences of The Norwegian Public Roads Administration (NPRA) in achieving interoperability in its organisation, and in relationship with its external stakeholders. NPRA plays an important role in facilitating much of the transport in Norway, both acting as a public authority and as acting as the manager of the road network. To support the exchange of information between different stakeholders in the transport sector the roads administration supported the development of ARKTRANS, a framework for information exchange in the transport sector. The experience is that working only top-down is not enough to make interoperability happen. The specification of a roadside ITS station is a bottom-up approach, focusing more on the implementation of relevant standards and systems. This paper discusses how the two approaches meet, and how an overall framework after all may support interoperability at a business level.