Transportation Law includes regulations for operators, vehicles and infrastructure; as well as the contract of carriage, regulations and relation between the carrier and passenger in public transport, shipper and cargo owners. Attorneys who practice transportation law represent individuals and businesses in cases involving most aspects of travel and commerce on the ground, in the air, and on the water -- including regulation of private and commercial vehicles, aircraft, and vessels; compliance with transportation safety standards; and oversight of commercial freight shipment activity.
Challenge (formerly, Challenge Mills) is an unincorporated community in Yuba County, California. It is located on Dry Creek 30 miles (48 km) northeast of Marysville, at an elevation of 2595 feet (791 m). A post office opened at Challenge in 1895.