AAA projects more than 54 million Americans will travel nationwide this Thanksgiving, a 4.8 percent increase over last year. Spokeswoman for AAA Arizona Michelle Donati says the 2018 holiday weekend will see more than 1 million Arizona travelers, up 5.2 percent from last year. Donati says the vast majority of Arizonans – more than 908,000 – will hit the road for Thanksgiving, an increase of 5.4 percent over last year. Motorists can expect to pay the highest Thanksgiving gas prices in four years, with a statewide average of $2.90 as of November 5th, 52-cents more than a year ago. The Thanksgiving holiday period is defined as Wednesday, November 21 to Sunday, November 25.