the city, now owned by Transdev. Póvoa de Varzim taxis are black with an olive green hardtop. The main taxi stands are located in Praça do Almada, in Póvoa de Varzim metro station and Largo das Dores. There are taxi centrals: Central Táxis Ribamar, Táxis Póvoa and a few others. Ribamar has a tourist service to tourist attractions away from the city center, including the Discovery Age carrack replica in Vila do Conde's riverside, the medieval Romanesque churches of Rates and Rio Mau, Cividade de Terroso and São Félix Hill. Air The Francisco Sá Carneiro Airport (IATA: OPO, ICAO: LPPR) is located south of Póvoa de Varzim. The airport, known outside the region as Porto Airport, is the second-busiest international airport in Portugal, moving over 10.7 million passengers in 2017. Using cars or taxis, it is fast accessible (17 minutes) via the A28 motorway, linked to the A41 motorway and the airport's drop-off and pick-up areas, or the EN13 highway, the later using the airport's EN107 accessway. Póvoa Aerodrome, officially known as S. Miguel de Laundos, is small-sized, with only 270 meters long for ultralight aviation and other small planes for leisure activities. Rail Line B of Porto Metro links Póvoa de Varzim to Porto and the airport with two services: a standard and a shuttle (the Expresso). Through Verdes station, Metro trains link the city and the airport. This waiting station to reach Póvoa de Varzim is a small public park near the airport, and it literally means the green park station. The line operates on a former railway, which opened in 1875 and closed in 2002 to give way for the metro. The railway network was expanded and reached Famalicão in 1881, it was closed entirely in 1995 due to an accident with a bus and became a rail trail. Roads The city is connected by road on a north-south axis reaching Viana do Castelo and the Spanish border to Porto by the A28 motorway. In Greater Porto, the A28 has the most popular suburban commercial areas of Northern Portugal with suburban shopping centers, large stand-alone stores, retail parks and outlets and reaches Porto's major thoroughfares and ring roads, including the VCI inner orbital motorway. Póvoa is also reached by the A7 (from Guimarães and Vila Nova de Famalicão) and A11 (from Braga and Barcelos) motorways on an east-west axis, through the south and north of the city,