Just east of Montrose, I-70 enters Cumberland County, where the Interstate has one interchange with IL 130 (Haughton Highway) at Greenup, where the highway crosses the Embarras River.
Immediately adjacent to Montrose, I-70 enters Cumberland County, where the Interstate has a single connection with IL 130 (Haughton Highway) at Greenup, where the highway intersects the Embarras River.