scope:

This Technical Specification (CEN/TS 16157-2) specifies anddefines component facets supporting the exchange and shared use ofdata and information in the field of traffic and travel. Thecomponent facets include the framework and context for exchanges,the modelling approach, data content, data structure andrelationships, communications specification. This TechnicalSpecification is applicable to: ? traffic and travel informationwhich is of relevance to road networks (non urban and urban); ?public transport information that is of direct relevance to the useof a road network (e.g. road link via train or ferry service). ThisTechnical Specification establishes specifications for dataexchange between any two instances of the following actors: ?Traffic Information Centres (TICs); ? Traffic Control Centres(TCCs); ? Service Providers (SPs). Use of this TechnicalSpecification may be applicable for use by other actors. ThisTechnical Specification covers, at least, the following types ofinformational content: ? road traffic event information ? plannedand unplanned occurrences both on the road network and in thesurrounding environment; ? operator initiated actions; ? roadtraffic measurement data, status data, and travel time data; ?travel information relevant to road users, including weather andenvironmental information; ? road traffic management informationand instructions relating to use of the road network. This part ofthe CEN/TS 16157 specifies the informational structures,relationships, roles, attributes and associated data types, for theimplementation of the location referencing systems used inassociation with the different publications defined in the Datex IIframework. It also defines a DATEX II publication for exchangingpredefined locations. This is part of the DATEX II platformindependent data model.