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Construction workers build the Grand Avenue underpass. Heavy timbers were used to temporarily support the railroad tracks that continued to carry their traffic while construction of the underpass proceeded. Ben Cole & Son, which was also building the new Ames High School at the same time, was the contractor. One of the company's trucks is shown here. During construction all of the Grand Avenue traffic was detoured over a temporary railroad crossing south of Brookridge Avenue, which later became permanent. The underpass was completed in 1938. Photo, courtesy of the Iowa Department of Transportation.