[Code of Federal Regulations] [Title 41, Volume 4] [Revised as of July 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 41CFR301-10.5] [Page 25] TITLE 41--PUBLIC CONTRACTS AND PROPERTY MANAGEMENT CHAPTER 301--TEMPORARY DUTY (TDY) TRAVEL ALLOWANCES PART 301-10--TRANSPORTATION EXPENSES--Table of Contents Subpart A--General Sec. 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.