Per the link:
From the northwest, the road is open 10 miles to the Devastated Area. From the southwest, the road is open 2 miles to Sulphur Works. The 18 miles connecting those areas are closed to vehicles. There is no estimate date for entire road opening.
It also says:
Highway is closed to through traffic. View the Spring Road Clearing webpage to learn more. In years with similar snow depth, the highway opened to through traffic in late May or June.
Vehicle access may involve winter conditions driving and is limited to one mile from the northwest and southwest entrances.
1975 American Clipper RV with Dodge 360 (photo in profile)
1998 American Clipper Fold n Roll Folding Trailer
Both born in Morgan Hill, CA to Irv Perch (Daddy of the Aristocrat trailers)