The Santo Domingo Metro is a rapid transit system in Greater Santo Domingo. Its operations began in 2008. The current length of the metro with sections of the two lines is 27.35 kilometers (16.99 mi). Over the past few years, the Santo Domingo Metro has expanded its network, adding additional lines to increase connectivity and accessibility. With its air-conditioned trains, modern infrastructure and efforts to integrate seamlessly with other modes of public transportation, the Santo Domingo Metro stands as a symbol of the city's commitment to sustainable urban development and better transportation options.