From the North Take the better of I-93 South or Route 1 South into Boston to the Haymarket Square/Government Center Exit. At the end of the ramp, take a right and proceed through the traffic lights on New Chardon Street. Take New Chardon Street to the end. At the end (intersection with Cambridge Street) take a left onto Cambridge Street. Follow Cambridge Street one block and make your first right onto Somerset Street and proceed up the hill. The Center Plaza garage is immediately on your left.