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.
Guaynabo (is a municipality in the northern part of Puerto Rico, located in the northern coast of the island, north of Aguas Buenas; south of Cataño; east of Bayamón; and west of San Juan. Guaynabo is spread over 9 wards and Guaynabo Pueblo . Guaynabo is considered, along with its neighbors - San Juan and the municipalities of Bayamón, Carolina, Cataño, Toa Alta, Canovanas, Caguas, Toa Baja, and Trujillo Alto - to be part of the Área Metropolitana of San Juan . It is also part of the larger San Juan-Caguas-Fajardo Combined Statistical Area. The municipio has a land area of 70.26 km² and a population of 100,053 as of the 2000 census.