They climbed along the tortuous mountain trail.
The tanks moved easily over the rough road.
The car jolted badly over the rough road.
The new car bounced along the bumpy mountain road.
The Rocky Mountains have rugged mountains and roads.
We set off once more, over a rough mountain track.
These rough roads soon wore the tread of motorcycle tires off.
The wide paved road degenerated into a narrow bumpy track.
Planes parachuted food, clothing, blankets, medicine and water into the rugged mountainous border region.