Most people don’t think that the railways may be dangerous, but in reality, they are a concern for safety, especially if the DOT-111 rail car is traveling on railroads while carrying hazardous materials.
The tanker has been shown in recent tests to fail to provide sufficient protection in the event of a derail. Reports show that although the model has failed previous safety tests, many of the tankers are still being used on the tracks even today.
For more details on the dangers these rail cars can pose, read the full article here:
Common type of rail car has dangerous design flaw