Because of all the indignant stories about man being forced to buy a bike to get on a ferry when all the planes were grounded I half expected to find somewhere from not all that long ago a triumphant press release from one of the sustainable green transport lobbies about a new European directive which decreed that all ferries shall from henceforth reserve a certain number of places for cyclists on all journeys which start, end, or travel to a port in one of the 27 member states.
Alas, no. Though I did find a useful document from the European Parliament - [PDF] THE EUROPEAN CYCLE ROUTE NETWORK EUROVELO