Council Directive 91/440/EEC of 29 July 1991 on the development of the Community's railways Council Directive 96/48/EC of 23 July 1996 on the interoperability of the trans-European high-speed rail system Maps of railway networks in Europe Level of service on passenger railway connections between European metropolises Report of the Transport and Spatial Planning Institute Eurail map halotravel.com organization that advises and supplies Eurail or Interrail travelers with information, travel routes and passes.