29/04/2016 (Agence Europe) - Interoperability of Polish rail system should be improved. Poland allows its national rail system too many derogations to the application of the European technical specifications for rail interoperability (TSIs). It has also failed to transpose the procedure for the testing of vehicles on the railway network. The European Commission decided, therefore, on Thursday 28 April to send Poland a reasoned opinion, giving it two months to bring its legislation into line...