This argument while largely true had a caveat. A freight car on a long haul route would not be switched just once but potentially would be switched every one hundred miles or so at each divisional point.
William Z. Ripley, Railroads: Rates and Regulation (New York: Longmans, Green and Co., 1916), 101-103.
George H. Miller, Railroads and Granger Laws (Madison: University of Wisconsin Press, 1971), 109.