Iowa 80 is the world's largest truck stop, located along Interstate 80 off exit 284 in Walcott, Iowa. Set on a 220acre plot of land the site receives 5,000 visitors daily, and features a 67,000 sq ft main building, parking for 900 trucks, and 15 diesel fuel pumps, and also having another dedicated pump for dispensing bulk diesel exhaust fluid. 450 employees staff the megaplex which is open 24/7.
https://iowa80truckstop.com/