Washington Metropolitan Area Transit Authority will advance minor projects this week through Dec. 30. There will be single tracking between Rhode Island Avenue and Fort Totten on the Red Line from 10 a.m. - 2 p.m. Tuesday through Friday for rail/tie renewal. There will also be single tracking on the Red Line between Friendship Heights and Medical Center from 10 p.m. – closing, Tuesday through Thursday for rail fastener renewal and between New York Avenue and Rhode Island Avenue for DDOT bridge work. Between 10 p.m. and closing, Tuesday through Thursday, there will be single tracking between Smithsonian and Eastern Market on the Orange Line for switch replacement prep and between East Falls Church and West Falls Church for cable installation. On the Blue Line from 10 p.m. until closing, Tuesday through Thursday, there will be single tracking between Smithsonian and Eastern Market for switch replacement prep.