Triple-A says the official holiday weekend gets underway tomorrow,and you can expect the roads to be crowded for the Memorial Day weekend. Triple-A says more people will get away this Memorial Day weekend than have in the past 12 years, with 39.3 million U.S. travelers expected to take to the road. The busiest travel day is expected to be on Friday. Drivers will pay the highest Memorial Day gas prices since 2015. The national average price for a gallon of gas today is $2.34, 11 cents more than last year.