If you’re planning to hit the road this weekend, you won’t be alone.

Triple-A expecting this to be the busiest Labor Day weekend for drivers since 2008. Lower prices at the pump are likely a leading factor for the spike. More than 30 million American expected to take advantage of those low prices by traveling at least 50 miles from home over the next three days. That also means more traffic congestion, so experts advise to plan ahead.