Each tractor that passes will chew up the ground some more, until it is virtually impassable.

During the seven-month rainy season, which begins in April, the road is virtually impassable.

A 2003 guide stated that the road was virtually impassable in the rainy season.

There was indeed a large cave in front of them now, and it looked virtually impassable.

In 1947 and 1972, heavy rains created flooded roads that were virtually impassable.

Before the upgrading it was a muddy, virtually impassable track.

The sandy turns became virtually impassable, and the event was stopped after 75 of 78 laps.

Down in the jungle, the brush along these streams would have been virtually impassable.

Between the salesman's demonstrations and the customers trying out their purchases, the way was virtually impassable.

The sandy turns at the ends of the track became virtually impassable with stuck and stalled cars.