Construction of a light rail network, the Granada metro, began in 2007. It was greatly delayed by the Spanish economic crisis; service finally started on 21 September 2017 It crosses Granada and covers the towns of Albolote, Maracena and Armilla. Other transport options in the city of Granada are trains, taxis or buses. Bus: The main company operating bus transportation in Granada is Transportes Rober. There is also bus transport to and from the airport with the company Alsa. Train:Granada has rail connections with many cities in Spain. There are several types of train service to and from Granada: short distance, medium distance, long-distance trains and AVE (high speed long distance). The closest AVE connection is in Antequera. Taxi:Granada has a wide network of taxis to help travellers reach their destinations. Official Granada taxis are white with a green stripe.