Live Chat I-40 Community Nearby Traffic US 321 TN 2024-05-31 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to US 321 TN Townsend, TN 8.24 Maryville, TN 10.32 Seymour, TN 14.92 Interstate highway exits close to US 321 TN Exit 387a, i40 27.84 Exit 387b, i40 27.85 Exit 388, i40 27.88 Interstate highways close to US 321 TN i40 map 27.84 i640tn map 28.29 i75 map 28.37 State roads close to US 321 TN US 321 TN map 0.52 US 411 TN map 7.37 TN 73 SCENIC map 10.49