 Workers from downtown offices often jump on the B Line or D Line in order to have lunch there or send someone to pick up food for take-out.Langer's credits the Red Line's opening with saving their business in the late 1980s, when MacArthur Park's once glittering reputation had decayed to notorious at best.Langer's Deli is featured in one of 13 ceramic mosaic murals located inside the MacArthur Park station.