>>1047236The Porto Metro is an LRT that features 6 lines (A-F), and 1 express line (Bx).
All lines except Line D shares the same track through the downtown. Line D runs north-south and crosses the Douro River via the Dom Luís I Bridge. 14 stations are located underground.
A Bombardier Flexity Swift at Bolhão Station running the B Line (local). A Bx Line would display “B Expresso ___”.