According to Business Insider, Memorial Day is one of the biggest travel weekends of the year. AAA predicts an estimated 37.6 million Americans will be on the road during Memorial Day weekend. The GPS navigation software company Waze says traffic will be heaviest in the afternoons, with the worst congestion happening between 3:30 p.m. and 7 p.m. Drivers near Atlanta and New York can expect their trips to take up to twice as long.