Opinion of the Economic and Social Committee on: - the 'Proposal for a Council Directive amending Council Directive 92/106/EEC on the establishment of common rules for certain types of combined transport of goods between Member States', and - the 'Proposal for a Council Directive amending Council Directive 96/53/EC laying down for certain road vehicles circulating within the Community the maximum authorized dimensions in national and international traffic and the maximum authorized weights in international traffic'.