"Yosemite’s Tioga Road will open on Friday, the first day of summer, but initially only for two hours a day.
The park announced that motor vehicles and bicycles will be allowed on the trans-Sierra route from 10 to 11 a.m. and 3 to 4 p.m. daily."
From https://www.mercurynews.com/2019/06/...o-hours-a-day/