The UM-Flint campus ' smoking shacks, ashtrays, and smoking area signs will all disappear tonight. Beginning tomorrow, students at the University of Michigan - Flint can only smoke in one place: inside their car. The 76 acre campus turns into a smoke-free zone beginning tomorrow.New signs featuring a new smoke-free logo. UM will be the first major university in Michigan. The college has been trying to prepare the students since the plan was announced in 2009.