Live Chat I-40 Community Nearby Traffic US 321 (TN) Traffic 2024-05-31 Roadnow Click for Real Time Traffic Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to US 321 (TN) Bybee, TN 14.40 Parrottsville, TN 14.43 Cosby, TN 16.41 Interstate highway exits close to US 321 (TN) Exit 435, i40 1.67 Exit 432b a, i40 5.17 Exit 440, i40 9.46 Interstate highways close to US 321 (TN) i40 map 1.67 i81 map 19.79 i26 map 57.69 State roads close to US 321 (TN) US 70 TN map 0.52 US 321 TN map 0.59 TN 73 map 2.38