Location: I-80 and Calumet Ave, Hammond After US-41, we’re advised of several upcoming Illinois exits. The first exit in Illinois will see US-6 split onto Rte. 83, followed by an I-94 split at the Rte. 394 interchange. Location: I-80 and Calumet Ave, Hammond Welcome to Illinois! I-94, with I-90, serves as the main freeway through … Continue reading Interstate 94, US-41 to IL State Line