February 3, 2017
Trailer Train purchases Hamburg Industries (now called SRD-North Augusta).
Railbox is formed as a subsidiary of Trailer Train Company and places orders for 10,000 50-ft boxcars. The first car is delivered on October 15, 1974.
The first low-level flush deck design 89-ft flatcar enters the fleet for application of a new generation of rack equipped with roofs and end doors.