25 CFR § 170.118
What terms apply to TTP housing site or area entry roads?
February 24, 2021
(a) TTP housing site or area entry road means a public road on the TTP System that provides access to a housing cluster.
(b) TTP housing street means a public road on the TTP System that is located within a housing cluster.
(c) Housing cluster means three or more existing or proposed housing units.