Here is a good, current review of the X-33 from a ground pounder in Afghanistan.
https://forums.watchuseek.com/f20/8-months-afghanistan-x-33-observations-646181.html
I just left K-Falls yesterday on 97 and the road was completely clear. The temp was around 50 degrees and sunny. Also, if you are driving from the south you will have a great view of Mt Shasta.