All 4 exits ranked by what a road-tripper actually needs: real food choice, easy gas, 24-hour service, and the stops worth a detour. Winners below.
Milepost 3 · 29 places to eat · 13 gas stations · 18 hotels · 24/7 travel center · ♥ Knoxville Museum of Art, Women's Basketball Hall of Fame
Milepost 6 · 29 places to eat · 11 gas stations · 24/7 travel center · ♥ Mabry-Hazen House
Milepost 3 · 23 places to eat · 12 gas stations · 16 hotels · open 24 hours
Milepost 8 · 26 places to eat · 8 gas stations · 2 hotels · ♥ Zoo Knoxville
← Every I-640 exit in Tennessee
Pit Stop shows gas, food, hotels & must-see stops at every exit ahead — free, offline, on iPhone & CarPlay.