One of the city's biggest crowd draws takes place this weekend. The annual Thunder Bay Blues Festival is on at Marina Park. Organizer Bob Halverson says there will be no issues with the waterfront construction thats taking place. He's encouraging people to take the free shuttle bus from the Community Auditorium. It will be leaving every 15 minutes while the festival gates are open. Gates open on Friday at 4:30 and Saturday and Sunday at 11 a.m.