Is is a science fiction movies of the 60’s, 70’s of a man put to sleep only for a few days to test hibernation sleeping in an under ground facility then hit by a bad earthquake he was kept from waking till he was found and woke in the future by others, they also traveled in an underground transportation to get around.
It was about the same time Planet of the Apes or there of. And not Buck Rogers.
http://www.imdb.com/title/tt0064366/?ref_=nm_knf_t3