Maritime and transportation law comprises rules and provisions regulating shipping and other transport industries, such as transport by road, railway and air. It is based to a large extent on international conventions. One of the cardinal questions in the field is the concerns of the carrier’s responsibility for passenger and cargo transport. Other questions studied by maritime and transportation law concern rules governing registration of ships and provisions concerning work and safety. Other issues traditionally falling under maritime and transportation law include the insurance of ships and cargo. Research is conducted by Axel Ax:son Johnson’s Institute for Maritime and Transportation Law at Stockholm University.