Since the fall is a heavy travel period, the occupancy rate is expected to go over 80 percent in the second half of the year.

But the site was only periodically inhabited, based on travel periods, especially in spring and early summer.

"How thorough have our investigations of him been during his more vulnerable travel periods?"

Peak travel periods, of course, vary by region, so prices can bounce accordingly.

They said recent delays had been caused mostly by weather and heavy air traffic in peak travel periods.

Tourist visas are usually granted for the scheduled travel period.

Even under more normal conditions, this time of year has typically been one of the most sluggish travel periods.

The holiday is usually the second busiest travel period of the year, after Thanksgiving.

In extremely heavy travel periods and when the rail line is out of service for any reason, buses use that route number.

"We've got some heavy travel periods during the summer, which is what we expect," he said.