Location: Route 127 and Route 146, Union Cty Reassurance shield after the 146 split. Location: Route 127 and Chestnut St, Alto Pass Several miles later, we’ll enter the town of Alto Pass. Location: Route 127 and Main St, Alto Pass Reassurance shield as we head out of Alto Pass. Location: Route 127 and Landreth Rd, … Continue reading Illinois Route 127, IL-146 to IL-149