Citi defines travel purchases as those made directly with “airlines, hotels, car rental agencies, travel agencies/travel aggregators/tour operators, gas stations, commuter transportation, ferries, commuter railways, subways, taxis/limousines/car services, passenger railways, cruise lines, bridge and road tolls, parking lots/garages, campgrounds and trailer parks, timeshares, bus lines, motorhome/recreational vehicle rentals and boat leases and rentals.”