What specific FRA regulations apply to the securement of hazardous materials cars left unattended in a yard, and what penalties exist for non-compliance?

The Federal Railroad Administration (FRA) has specific regulations governing the securement of hazardous materials cars left unattended in a rail yard. These regulations are primarily found in 49 CFR Part 232, which covers brake system safety standards and securement of railroad cars. These regulations are designed to prevent the uncontrolled movement of these cars, which could lead to a release of hazardous materials and pose a significant risk to public safety and the environment. One key regulation is 49 CFR 232.205, which outlines the general requirements for securing unattended equipment. This section requires that sufficient hand brakes be applied to prevent movement from the conditions and circumstances described. This means that the number of hand brakes required depends on factors such as the grade of the track, the weight of the cars, and weather conditions. T....