When you need to make a pit stop during a road trip, finding a clean restroom can sometimes be a challenge.

According to a GasBuddy survey, 64% of people said one of their worst fears about a road trip is the need to use the restroom and not knowing where the next one will be available.

In addition, 69% of users wouldn’t consider visiting a low-rated gas station convenience store.

“Today’s customers expect more than a key attached to a hubcap or a sign informing visitors that restrooms are for ”˜paying customers only’,” said Frank Beard, convenience store and retail trends analyst at GasBuddy. “As someone who has visited more than 1,000 c-stores in 24 states, I’ve seen that many leading convenience stores have already separated themselves from the competition by making restroom quality a priority.”

Based on ratings submitted by GasBuddy users, QuikTrip had the best restrooms in nine states, the most of any brand. Chevron came in second, followed by Sheetz and Wawa.

Read more: 7 of the best gas station loyalty programs

Here are the top gas station restrooms in every state:

Buying gas from a station on this list is better for your car