National Park Service is very good about warnings of which roads should not be driven by RVs. All I could find is this about SUNRISE ROAD
^^^
Estimated to open July 3, weather dependent.
For safety reasons, bicycling and hiking on the road prior to its opening to vehicles is allowed only when the road crew is not working on the road. Please check the signs on the gate before heading up the road.
Note: Due to the steep, narrow, and winding nature of the Sunrise Road, it is recommended that RVs and vehicles with trailers longer than 25 ft. LOA not travel up the Sunrise Road beyond the White River Campground intersection.
^^^
This is Rainier's park homepage
If God's Your Co-Pilot Move Over, jd
2003 Jayco Escapade 31A on 2002 Ford E450 V10 4R100 218" WB