TravelCenters of America Boosts Restaurant Offer With Focus on Healthy OptionsChef Maira Isabel leads the development of new items for Country Pride and Iron Skillet menus. TravelCenters Adds Fourth Black Bear Diner to Its NetworkThe full-service restaurant is located inside the Kingman, Ariz., travel center. What's In Store: Love's, Pilot Flying J & Pump-N-Go QuickChek, Sheetz and TravelCenters of America also open new convenience stores. TravelCenters Fires Up Foodservice Category Company expands with Quaker Steak & Lube, Black Bear Diner. TravelCenters Adds More Full-Service Dining Its first Black Bear Diner restaurant opens in Arvin, Calif.