36 C.F.R. § 1004.10 Travel on Presidio Trust roads and designated routes.
Title 36 - Parks, Forests, and Public Property
(a) Operating a motor vehicle is prohibited except on Presidio Trust roads and in parking areas. (b) The following are prohibited: (1) Operating a motor vehicle not equipped with pneumatic tires, except that a track-laying motor vehicle or a motor vehicle equipped with a similar traction device may be operated on a route designated for these vehicles by the Board. (2) Operating a motor vehicle in a manner that causes unreasonable damage to the surface of a Presidio Trust road or route.
Title 36: Parks, Forests, and Public Property
PART 1004—VEHICLES AND TRAFFIC SAFETY
§ 1004.10 Travel on Presidio Trust roads and designated routes.

