Can a Tribe close a cultural site or area entry road?

(a) A Tribe with jurisdiction over a cultural site or area entry road can close it. The Tribe can carry this out: (1) During periods when the Tribe or Tribal members are involved in cultural activities; and (2) In order to protect the health and safety of the Tribal members or the general public. (b) Cultural site or area entry roads designated through an agreement with a public authority may only be closed according to the provisions of the agreement. See § 170.115(c).