The Porto Metro (Portuguese: Metro do Porto), part of the public transport (mass transit) system of Porto, Portugal, is a light-rail network that runs underground in central Porto and above ground into the city's suburbs. The Porto Metro was founded in 2002.
The network has 6 lines and reaches seven municipalities within the metropolitan Porto area: Porto, Gondomar, Maia, Matosinhos, Póvoa de Varzim, Vila do Conde and Vila Nova de Gaia. It currently has a total of 80 operational stations across 67 km (41.5 mi) of double commercial line. Most of the system is at ground level or elevated, but 8 km (5 mi) of the network is underground. The system is run by ViaPORTO.
Read more about Porto Metro: History, Costs and Financial Results, Trains, Tickets, Network, Funicular Dos Guindais, Future Expansion