If a road or path switchbacked, it moved back and forth up a steep hill.
Switchbacked roads can make people think of mountains, hiking, or difficult travel.
Examples:
The switchbacked road went up and up.
We hiked on the switchbacked trail.
The switchbacked path was hard to climb.
The switchbacked road made the car go slow.
The switchbacked road looked like a snake on the mountain.
The switchbacked road was like a puzzle to drive on.