The FMCSA is responsible for regulating the safety of commercial motor vehicles, including trucks, buses, and other vehicles used to transport goods or passengers.

The HMTA is the primary federal law governing the transportation of hazardous materials, including the classification, packaging, labeling, and shipping of these materials.

COGSA is an international treaty that governs the carriage of goods by sea, setting out the rights and responsibilities of carriers, shippers, and consignees.

The Doctrine of Strict Liability holds common carriers liable for the loss or damage of goods during transportation, regardless of whether they were negligent.

The FRA is responsible for regulating the safety of railroads, including track maintenance, signal systems, and locomotive inspections.

The Doctrine of Limited Liability allows a carrier to limit its liability for loss or damage to goods during transportation by including specific terms and conditions in its contract of carriage.

The Montreal Convention is an international treaty that governs the carriage of passengers by air, setting out the rights and responsibilities of carriers, passengers, and consignors.

The Doctrine of Negligence holds a carrier liable for damages caused by its negligence, such as failure to exercise reasonable care in handling goods or transporting passengers.

The PHMSA is responsible for regulating the safety of pipelines, including the transportation of hazardous liquids and gases.

The Doctrine of Force Majeure excuses a carrier from liability for loss or damage to goods during transportation due to unforeseen events beyond its control, such as natural disasters or strikes.

The IMO Convention is an international treaty that governs the carriage of passengers by sea, setting out the rights and responsibilities of carriers, passengers, and consignors.

The Doctrine of Rate Discrimination allows a carrier to charge different rates for different types of goods, based on factors such as weight, size, and value.

The FAA is responsible for regulating the safety of aviation, including the certification of aircraft, licensing of pilots, and air traffic control.

The Doctrine of Gross Negligence holds a carrier liable for damages caused by its willful or wanton misconduct, which is a higher standard of care than ordinary negligence.

The Warsaw Convention is an international treaty that governs the carriage of goods by air, setting out the rights and responsibilities of carriers, shippers, and consignees.