It definitely could be. A car does not even have to move for an OWI citation to be issued. In this case, it apparently was. If the driver was over the limit, that's the problem. There are defenses however so I suggest contacting an attorney who concentrates in OWI law. There are plenty of them. Find one who does this all the time,. It will be money well spent.
This area of law is complex. You need to speak to an attorney well-versed in easements and real estate. Eau Claire has plenty. Do a Google search or check the yellow pages. You seem to have a good claim, but this kind of thing can get tricky fast. Good luck!
If you want a divorce the judge will not make you go the route of separation. Those can be converted to divorces after a year anyway. If you want a divorce you are entitled to one. Why be stuck tied to someone you don't want to be married to. His post-divorce financial situation is his problem, not yours.
In a divorce your marital assets will be divided equally. As for maintenance, that is up the court whether either party should receive it, in what amount and duration. So your wife could receive maintenance from you. Get yourself a lawyer as soon as possible. Good luck.
No. Once you waived maintenance in your divorce you are barred from requesting it. It is possible to seek relief from the judgment under sec. 806.07 of the Wisconsin Statutes on the grounds you were coerced but that is a very long shot.