tracks owned by Union Pacific Railroad, Norfolk Southern Railway, Foster Townsend Rail Logistics – formerly Manufacturers Railway (St. Louis), Terminal Railroad Association of St. Louis, Affton Trucking, and the BNSF Railway. The Terminal Railroad Association of St. Louis (reporting mark: TRRA) is a switching and terminal railroad jointly owned by all the major rail carriers in St. Louis. The company operates 30 diesel-electric locomotives to move railcars around the classification yards, deliver railcars to local industries, and ready trains for departure. The TRRA processes and dispatches a significant portion of railroad traffic moving through the city and owns and operates a network of rail bridges and tunnels including the MacArthur Bridge (St. Louis) and the Merchants Bridge. This infrastructure is also used by inter-city rail and long-distance passenger trains serving St. Louis. Bus service Local bus service in the city of St. Louis is provided by the Bi-State Development Agency via MetroBus, with more than 75 routes connecting to MetroLink light rail transit and stops in the city and region. The city is also served by Madison County Transit, which connects downtown St. Louis to Madison County, Illinois. National bus service in the city is offered by Greyhound Lines, Burlington Trailways and Amtrak Thruway Motorcoach, with a station at the Gateway Multimodal Transportation Center, and Megabus, with a stop at St. Louis Union Station. Taxi Taxicab service in the city is provided by private companies regulated by the Metropolitan Taxicab Commission. Rates vary by vehicle type, size, passengers and distance, and by regulation all taxicab fares must be calculated using a taximeter and be payable in cash or credit card. Solicitation by a driver is prohibited, although a taxicab may be hailed on the street or at a stand. Notable people Sister cities St. Louis has 16 sister cities. Bologna, Italy Bogor, Indonesia Brčko, Brčko District, Bosnia and Herzegovina Donegal, County Donegal, Ireland Galway, County Galway, Ireland Georgetown, Guyana Lyon, France Nanjing, China Rosario, Santa Fe, Argentina Saint-Louis, Senegal Samara, Russia San Luis Potosí, Mexico Stuttgart, Germany Suwa, Japan Szczecin, Poland Wuhan, China See also Caves of St. Louis Delmar Divide Downtown St. Louis Laclede's Landing, St. Louis Downtown West, St. Louis Great Flood of 1993 Heat wave of 2006 derecho series History of the Jews in St. Louis LaClede Town LGBT culture in St. Louis List of mayors of St. Louis List of tallest buildings in St. Louis National