All 3 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 1 · 29 places to eat · 14 gas stations · 24 hotels · ♥ Kansas City Zoo & Aquarium, Worlds of Fun
Milepost 421 · 29 places to eat · 15 gas stations · 9 hotels · ♥ East Building
Milepost 1 · 23 places to eat · 11 gas stations · 11 hotels
Pit Stop shows gas, food, hotels & must-see stops at every exit ahead — $1.99 once, offline, on iPhone & CarPlay.