American travelers are making vacation plans through the end of the year, but remain cautiously optimistic about those future plans, according to a new American Automobile Association (AAA) Travel survey.

Sixty-seven percent of U.S. adults planning a vacation before the end of the year report some degree of uncertainty that they will actually be able to take their vacation, according to the report.

The AAA says, as a result, some travelers are opting for spur-of-the-moment travel decisions as they take coronavirus implications into account.

The survey reveals that one in five who were planning a trip before the end of this year but haven’t booked yet, expect to do so within one week of traveling.

“As many Americas continue to work from home and attend school virtually, this temporary lifestyle change opens up new and exciting possibilities for fall travel – particularly for those who deferred summer travel plans,” said Paula Twidale, Senior Vice President, AAA Travel.

“For those who choose to travel, the great American road trip continues to be the preferred method of getting out and exploring the United States. AAA advises these travelers to plan ahead and take precautions to be a responsible traveler.”

The AAA recommends travelers check with state and local authorities where they are, along their route, and at their planned destination to learn about local circumstances and any restrictions that may be in place.

Travelers can check out AAA’s COVID-19 Travel Restrictions Map as well as CDC’s COVID-19 data tracker for the latest state and local travel restrictions.