Iowa 80 Truck Stop Walcott, Iowa More than 5,000 people per day visit the Iowa 80 Truck Stop in Walcott, Iowa. The staff is dedicated to serving the needs of professional drivers – as well as anyone else traveling past their doors. Which is why they now offer hundreds of amenities – everything from the basics of fuel and food, to truck washes, a truck museum -- and even a dentist! The facility now covers over 200 acres and is open without fail, 24 hours a day, seven days a week as "The World’s Largest Truck Stop"! Top Restroom Features: - Known as The World’s Largest Truck Stop - Restroom is themed to reflect service stations from year’s past - Nostalgic signs and custom tile - Women's Restroom adorned in pink with signs offering trivia and gender-specific advice