Report drawn up on behalf of the Committee on Transport on independent measures by the Community's railway undertakings to improve their cooperation on the basis of the proposals from the Commission of the European Communities to the Council for I. a recommendation to the national railway undertakings on technical matters concerning operation and internal barriers to the crossing of frontiers affecting the international carriage of goods (Doc. 1-946/83-COM(83) 490 final), II. a recommendation to the national railway companies of the Member States on strengthening their cooperation in the commercial management of international passenger and goods transport by rail (Doc. 1-623/83-COM(83) 404 final), III. a recommendation on railway tariffs for international transport by container and piggyback techniques (Doc. 1-609/83-COM(83) 357 final), IV. a recommendation concerning the International Company for Piggyback Transport (Doc. 1-530/83 - COM(83) 331 final). Working Documents 1983-1984, Document 1-1521/83, 19 March 1984.