Portions of Charles Street will be closed during the annual Mount Vernon Place Conservancy Flower Mart festival.  Starting at 3pm on Thursday May 2nd, and continuing through end-of-service on Sunday May 5th, the bus stop at Peabody Northbound will be relocated to the corner of Monument and Calvert Streets, two blocks east of its usual location.  Service will return to normal operation on Monday, May 6th.