 Its official name is , the initialism "VLT" (which stands for , literally "Light vehicle on rails") being equivalent to the English term "light rail".The first phase, consisting of a single 15-kilometre line between the Novo Rio Bus Terminal and Santos Dumont Airport and 18 stops, was inaugurated on 5 June 2016, two months ahead of the Olympics opening ceremony, with regular service beginning the following day.For the first month of operation, it was free of charge to ride, but only two trams were in service between noon and 15