Certified Protection Professional (CPP) Practice Exam 2025 - Free CPP Practice Questions and Study Guide

The Interstate Commerce Commission (ICC) is the most relevant source of information when dealing with investigations regarding the regulations of common carriers in interstate commerce. Established in the United States in 1887, the ICC was specifically created to regulate the railroad industry and later expanded its authority to oversee other forms of transportation, including trucking and shipping. The primary purpose of the ICC was to ensure fair rates, eliminate rate discrimination, and adhere to regulations that govern the common carriers operating in interstate commerce.

The ICC provided essential guidelines, detailed regulations, and enforcement mechanisms that apply across state lines, making it a pivotal organization for understanding the legal framework that governs common carriers. Although the ICC was dissolved in 1995 and its functions were transferred to the Surface Transportation Board and other agencies, historical context is key for understanding current regulations, and the ICC remains a central reference point in studies on this topic.

The other choices do not provide a focused overview of the specific regulations applicable to common carriers in the context of interstate commerce. The Federal Bureau of Investigation typically handles criminal investigations and national security matters rather than transportation regulations. The Department of Transportation does oversee transportation but in a broader sense and does not specialize solely in common carrier regulations. The State Tax Authority focuses on taxation issues within state jurisdictions,