Location: I-255 and Route 3, Dupo Reassurance shield omitting IL-3 as it joins the freeway. Location: I-255 and Route 3, Dupo A couple miles later, 3 will split to continue south. Location: I-255 and Route 3, Dupo 1 mile to the Route 3 exit. Despite being on the same panel, 255/50 stays on the main … Continue reading Illinois Route 3, I-255/US-50 to I-255/US-50