Location: State St and Urbanna Dr, Freeburg Reassurance shield as 15 joins 13. Location: State St and Main St, Freeburg Reassurance shield as we pass by downtown. Location: Route 13 and Old Freeburg Rd, St. Clair Cty Reassurance shield as we head out of Freeburg. Route 15 continues as a divided highway all the way … Continue reading Illinois Route 15, IL-13 to IL-13