It's the unofficial kickoff to summer, and officials say if you are planning to travel this Memorial Day weekend, get ready for a lot of company.

According to AAA, nearly 40 million people will travel at least 50 miles away from home.

The holiday travel is expected to be the most congested it has been in more than 10 years.

A total of 35.6 million Americans are expected to drive to their destinations, with 2.9 million expected to fly.

About 1.75 million will travel by boat, bus or train to their vacation.