Transport law (or transportation law) is the area oflaw dealing withtransport. Subsections include regulations for operators, including vehicles and infrastructure; as well as the contract of carriage, regulations and relation between the carrier andpassenger inpublic transport and shipper and cargo owner in shipping.

Transportation or Transport Law encompasses federal and state laws governing the conveyance of passengers or goods, especially as a commercial enterprise, pertaining to both the method and the means. It includes highways, mass transit, aviation, rail, maritime and motor carriers. It also covers traffic safety, hazardous materials and pipelines. Public carriers such as airlines and shipping lines are also subject to state and federal legislation. The laws that govern drivers are largely state created and governed.

Transportation law firms specialize in such areas as regulatory compliance, cargo claims, freight charge collection, hazardous materials matters, commercial litigation, and various types of transportation related agreements and contractual disputes.