Hi Senoufou,

Do the swans literally use the middle of the road? Enough so that one could set up an emergency swan lane for the time they do this, with swan crossings at either end?

Or, is this road local enough that the local community can give permission to close it down or limit traffic speed for the swan days and hours. (Or lower traffic speed permanently if there's reason to.)

Otherwise, you could try setting up a smooth walking path along the road, especially if the swans can get to the river without actually crossing, but it would have to be a very clear path, and I imagine several neighbours would be involved and quite a bit of money. (Not to mention the scary task of blocking the swans from the only path they know that will lead them to the river.)

Bye,
                                                                Mysha