Unfortunately, at the time of research, continued violence made travel to this region dicey.

The rise of these networks should make international travel much simpler.

U.S. employees are not permitted to make personal travel to the region.

It made travel to and from the capital of Finland much faster than before.

The strait has a very strong tidal current, making travel difficult and dangerous.

The ice surface was very broken up, making travel slow and difficult.

The war had made civilian travel generally difficult, and to Europe nearly impossible.

They have been using rubles, so the new policy makes travel harder.

That will make international travel especially challenging, with exchange rates going strongly against the dollar, he said.

He saw now that any large group would make travel harder.