Location: Chicago Ave and Viaduct Rd, Savanna Reassurance shield after the Illinois 84 split. Location: US 52 and Clay St, Mt Carroll On the south side of Mount Carroll we’ll approach Route 78. Location: US 52 and Clay St, Mt Carroll Trucks heading northbound on Route 78 should watch their weight. Location: US 52 and … Continue reading Illinois Route 64, IL-84 to IL-78