Public transportation in Thailand is diverse and continues to expand, especially in its major cities. Buses, trains, ferries, and taxis provide essential travel options across the country. Thailand currently has one city with a metro system: Bangkok. The Thai capital is served by the MRT, while the BTS Skytrain and the Airport Rail Link complement the urban rail network. Together, these systems help millions of residents and visitors travel efficiently through one of Southeast Asia's busiest cities.