With the start of this spring's 'Bach Lunch' series the Lafayette Public Works department will be closing off Polk Street between Congress and Vermilion. Polk Street will be closed on Fridays including March 6, March 13, March 27, April 3, April 10 and April 17. These closures will occur from 10:30am until 1:30pm. Bach Lunch is hosted by the Lafayette Science Museum Foundation.