The Mechanicsburg Sewer Department will be making repairs to the sewer lines along South Market and West Marble Streets over the next two weeks.  The work will begin January 4th in the 700 block of South Market Street.   The work will then move to the first block of West Marble Street.   The final phase will be conducted at the intersection of South Market Street and Mumma Avenue.  There will be flaggers to keep the roads open. Expect traffic delays in this area in the coming weeks.  Work will be contingent upon favorable weather conditions