In the case of Interstate Commerce Commission v. Oregon Pacific Industries, Inc., et al., 1974, the Supreme Court ruled in favor of the Interstate Commerce Commission (ICC). The dispute arose when Oregon Pacific Industries and other lumber companies challenged an ICC order that increased freight rates for transporting western wood products by 6%. The lumber companies argued that this increase was discriminatory as it did not apply to similar eastern wood products. However, the Supreme Court held that there was substantial evidence supporting ICC's decision and affirmed its authority to set such rates. It found no discrimination because different circumstances existed between eastern and western markets which justified differential treatment. Furthermore, it stated that courts should defer to administrative expertise on complex economic matters unless a clear error has been made or statutory mandate ignored.

In the dissenting opinion for the case of Interstate Commerce Commission v. Oregon Pacific Industries, Inc., it was argued that the majority's decision to allow a railroad company to abandon its line without considering potential public harm was incorrect. The dissenters believed that this ruling contradicted previous decisions and federal law, which required railroads to maintain service unless they could prove it would cause them undue hardship. They also pointed out that allowing such abandonment could have serious consequences for communities dependent on these lines for transportation and commerce. Furthermore, they disagreed with the majority's interpretation of "public convenience and necessity," arguing instead that this term should be understood in light of broader social considerations rather than just economic feasibility from a business perspective.