Take either Green or Orange line to the North Station stop. There are two exits at North Station. If you take the Causeway Street exit, take a left onto Causeway St., immediately cross Canal St. and walk one block and turn left onto to Friend Street. GBLS is on the left hand side of Friend Street at 197. If you exit by the other exit, turn right as you leave the station, you will immediately cross Canal Street - walk down Valenti Way. The Bank of America will be on your right. Turn right at the next corner. This is Friend Street. GBLS is the first doorway on the right, number 197.