United States v. Atchison, Topeka and Santa Fe Railroad Company was a United States Supreme Court case that dealt with the issue of whether the federal government had the power to regulate the rates charged by a railroad company. The case arose when the United States sued the Atchison, Topeka and Santa Fe Railroad Company for charging excessive rates for the transportation of freight. The government argued that the Interstate Commerce Act of 1887 gave it the power to regulate the rates charged by the railroad. The railroad argued that the Act was unconstitutional because it violated the Due Process Clause of the Fifth Amendment. The Supreme Court held that the Act was constitutional and that the federal government did have the power to regulate the rates charged by the railroad. The Court reasoned that the Act was a valid exercise of the federal government's power to regulate interstate commerce. The Court also held that the Act did not violate the Due Process Clause because it provided a reasonable means of regulating the rates charged by the railroad. In conclusion, the Supreme Court held that the federal government had the power to regulate the rates charged by the Atchison, Topeka and Santa Fe Railroad Company. The Court found that the Interstate Commerce Act of 1887 was a valid exercise of the federal government's power to regulate interstate commerce and did not violate the Due Process Clause of the Fifth Amendment.

In United States v. Atchison, Topeka and Santa Fe Railroad Company, the Supreme Court was tasked with determining whether a railroad company could be held liable for damages caused by its negligence in failing to provide adequate safety measures on its premises. The majority opinion found that the railroad company had not been negligent and thus could not be held liable for any damages resulting from an accident occurring on their property. However, Justice Field dissented from this decision arguing that it was unreasonable to expect people who use public transportation services such as railroads to assume all of the risks associated with using them without any protection or assurance of safety provided by those responsible for operating them. He argued that since these companies are providing a service which is essential to society they should have some responsibility towards ensuring their customers’ safety while using their services and should therefore be held accountable if they fail in doing so.