Home › CFR › Title 23 › Part 66023 CFR Part 660 — Special Programs (Direct Federal)Subpart E — Defense Access Roads§ 660.501— Purpose.§ 660.503— Objectives.§ 660.505— Scope.§ 660.507— Definitions.§ 660.509— General principles.§ 660.511— Eligibility.§ 660.513— Standards.§ 660.515— Project administration.§ 660.517— Maneuver area roads.§ 660.519— Missile installations and facilities.