Best Austrian roads in Winter

[A900ss]

I’ve got a Roadtrip coming up next month (work dictates the time of year) and it’s mostly in Switzerland but might creep into Austria.

From part experience the winter passes that are open and the best are all around St Moritz (Ofen Pass, Moloja Pass, Bernina Pass, road past Livigno Lake after the toll tunnel) in Switzerland but any recommendations for any open passes in Austria?

Thanks in advance but I’m not expecting many (any?) responses based on not being the ideal time of year for the alps.

PS - I love driving in the Alps in winter when the car is prepped correctly.

[A900ss]

Thanks for such a thorough reply.

Time to get planning.

Thanks again.