The transportation system of Metro Manila is a cooperation of complex systems of infrastructure. The first automobile and trams in the Philippines first ran through the city. Throughout the metropolis, different means of transportation can be used such as buses, jeepneys, taxis, trains, tricycles, and even horse carriages (Kalesa), which are now only used in the major streets of Manila. Metro Manila is served by three different railway networks: the Manila Light Rail Transit System (composed of LRT-1 and LRT-2), the Manila Metro Rail Transit System (composed of the MRT-3) and the Philippine National Railways (composed of the PNR Metro Commuter). Manila is also the headquarters of the main terminal of the Philippine National Railways.