Station, Morro Azul (now called Flamengo Station), and Botafogo Station were completed. In November 1981, Line 2 (or Linha 2 in Portuguese) started operating with only two stations: São Cristóvão and Maracanã Station (which serves the Maracanã football stadium). In December, completing the southern section of the first Line 1, Largo do Machado Station began service. In 1982, the complementary inaugurations of the northern section of Line 1 started, with the beginning of operations of the Afonso Pena, São Francisco Xavier and Saens Peña stations. To allow the completion of the second line to Irajá, in 1983, the trains on this line began operating from 6:00 AM to 2:00 PM. After a month, this schedule was extended until 8 PM, and a free bus service was established, integrating the Estácio, São Cristóvão, and Maracanã stations. After the conclusion of the works, the Pre-Metro and Maria da Graça, Del Castilho, Inhaúma Station and Irajá Station stations were opened. In 1984 the commercial operation of the second line began with five trains on workdays with a five-and-a-half-minute interval during the week. Following the expansion, the Triagem station was inaugurated in July 1988, the year of the creation of the subway/train integration ticket. In 1991, the Engenho da Rainha station was inaugurated. From 1991 to 1996, two stations were opened, Thomaz Coelho and Vicente de Carvalho. In this period, the time interval of the nine stations of the second line was reduced to six minutes. In July 1998, Cardeal Arcoverde Station, in the traditional neighbourhood of Copacabana, was inaugurated. Five more stations became operational in the following two months: Irajá Station, Colégio Station, Coelho Neto, Engenheiro Rubens Paiva, Acari/Fazenda Botafogo and Pavuna Station. In 1997, the Carnival Operation (Operação de Carnaval in Portuguese) began with continuous service during the Rio Carnival festivity days. In December of that year the system was privatised and the management and operation of the company passed into the hands of the Consortium Opportrans with a concession of 20 years, leaving the responsibility for expansion of the network in the hands of the state government of Rio de Janeiro through the company Rio Trilhos. The Rio Reveillón (New Year's Eve celebrations) is highlighted by the performance of Opportrans that since 1999 has conducted a Special Operation to ensure a party for all. Tickets illustrated scheduled appointments to avoid overcrowding and provide the best service. In 2003 Siqueira Campos Station