Live Chat I-40 Community Nearby Traffic Knox County Health Department (Health doctors) 2024-05-31 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Knox County Health Department (Health Doctors) Corryton, TN 14.08 Powell, TN 14.20 Mascot, TN 14.24 Interstate highway exits close to Knox County Health Department (Health Doctors) Exit 8, i640tn 1.21 Exit 392, i40 2.94 Exit 393, i40 3.00 Interstate highways close to Knox County Health Department (Health Doctors) i640tn map 1.21 i40 map 2.94 i75 map 7.54 State roads close to Knox County Health Department (Health Doctors) TN 331 map 2.26 US 441 TN map 3.67 US 70 TN map 3.71