The U.S. Labor Department has ordered Union Pacific to pay an engineer $24,823 for forcing the employee to continue working while ill.
Officials say the engineer told UP officials that he was too sick to continue working safely, but railroad officials intimidated the engineer and persuaded him not to seek medical attention.
The incident happened while the engineer was traveling between Green River, Wyoming, and his home base of Pocatello, Idaho.
Railroad officials did not immediately respond Thursday to messages about the order.
The Department of Labor is also requiring Union Pacific to train its employees on whistleblower protections for railroad employees and give every Pocatello-based employee a fact sheet on those rules.