Dix was elected president and Durant vice president of the company.
The burden of management and money raising was assumed by Durant, and, with much money at his disposal, he helped to secure in 1864 the passage of a bill that increased the land grants and privileges of the railroad.
Durant continued on the directorate of the Union Pacific, however, and furiously pushed construction of the railroad until it met the Central Pacific RR on May 10, 1869.