In the case of Alton Railroad Co. et al. v. United States et al., 1941, the Supreme Court was asked to determine whether a regulation issued by the Interstate Commerce Commission (ICC) that required railroads to install automatic train control devices was constitutional and within its authority under the Interstate Commerce Act. The railroad companies argued that this requirement constituted an overreach of power by ICC as it interfered with their management rights and imposed undue financial burden on them. The Supreme Court upheld ICC's decision, ruling in favor of United States government agencies including ICC and against Alton Railroad Co., along with other petitioning railway corporations. The court found that Congress had indeed granted such regulatory powers to ICC under the Interstate Commerce Act for ensuring safety in interstate commerce operations which included railways too. This landmark judgment underscored federal agency’s right to impose regulations on private businesses if they are deemed necessary for public safety or welfare, even if these may cause significant expense or operational changes for those businesses.

In the dissenting opinion for Alton Railroad Co. et al. v. United States et al., the justices argued that the Interstate Commerce Commission (ICC) had overstepped its bounds by ordering railroads to install automatic train control devices without sufficient evidence of their necessity or effectiveness. They contended that while Congress gave ICC authority to regulate railroad safety, it did not grant them carte blanche power to impose any regulation they saw fit without proper justification and investigation into alternatives. The dissenters believed this decision set a dangerous precedent where regulatory bodies could make sweeping changes based on limited information or understanding, potentially causing undue burden on industries and businesses under their jurisdiction.