CFR > Title 41 - Public Contracts and Property Management > SUBTITLE F—Federal Travel Regulation System > CHAPTER 301—TEMPORARY DUTY (TDY) TRAVEL ALLOWANCES (parts 301-1 to 301-76) > SUBCHAPTER B—ALLOWABLE TRAVEL EXPENSES (parts 301-10 to 301-31) > PART 301-10—TRANSPORTATION EXPENSES > SUBPART A—General (§301-10.1 to §301-10.8) > 301-10.5—What are the presumptions as to the most advantageous method of transportation?

301-10.5—What are the presumptions as to the most advantageous method of transportation?

(a) Common carrier. Travel by common carrier is presumed to be the most advantageous method of transportation and must be used when reasonably available.
(b) Government automobile. When your agency determines that your travel must be performed by automobile, a Government automobile is presumed to be the most advantageous method of transportation.