TravelCenters of America LLC has announced that it has opened three more Dunkin' Donuts Express locations at the Petro Stopping Centers(R) locations at: I-70, Exit 148 (3304 Gold Rd.) in Kingdom City, Missouri; I-70/I-57, Exit 159 (1805 West Fayette Ave.) in Effingham, Illinois; and I-80, Exit 71/I-280, Exit 1B (26416 Baker Rd.) in Perrysburg, Ohio. All three Dunkin' Donuts Express locations are open 24 hours a day. The opening of Dunkin' Donuts restaurants at these three locations brings the total number of Dunkin' Donuts restaurants in the TA and Petro Stopping Centers network to twelve, and the total number of restaurants of all kinds to 506.