Porto Metro the Porto city centre to the Gondomar region in the east, this line runs between Senhora da Hora and Fânzeres. Lines A, B, C, E & F follow the same course within the City of Porto (between Estádio do Dragão and Senhora da Hora). The transfer point between Line ABCEF and Line D is at Trindade in central Porto; from Trindade to Senhora da Hora, the right of way recycles the original Porto-Varzim-Famalicão/Maia-Trofa-Guimarães trunk line. As of 2007, the total cost of Porto Metro mass transit public transport system stands on 3,500 million euros - over 1% of Portugal's GDP.
1973–74 S.L. Benfica season on 11 February. Taking advantage of Porto's draw and Sporting's loss, Benfica won their match and cut Sporting's lead to just one point. In early March, Benfica surpassed Porto after their rival dropped points in Guimarães. On 10 March, Benfica visited Estádio das Antas to play Porto, losing 2–1. With this defeat, Benfica was now with 35 points, three less than Sporting. Following a home win against Guimarães, on next match on the road, Benfica drew with Beira-Mar by 1–1. The draw allowed Sporting to open a four-point gap with five matches to go, practically ending any hope of Benfica