The road continues east into Yavapai County as a county-maintained road as the state turned over the easternmost of SR 66 (known as Crookston Rd) to Yavapai County in 1990 for maintenance.
The road continues east into Yavapai County as a county-maintained road that is not officially part of the state highway system. In 1990, the state turned over the easternmost of SR 66 (known as Crookston Rd) to Yavapai County for maintenance.