A facility may have a vehicular sally port. If provided, a sally port shall be located inside or abutting the building so that inmates may board or disembark from a vehicle. Space shall be sufficient to accommodate anticipated transportation vehicles. The sally port shall be secured with one or more entrance gates or doors capable of being opened, closed, locked, and unlocked from a remote location within the facility. Means shall be provided for the identification of persons approaching the sally port.
37 Tex. Admin. Code § 259.217