Transportation
- A road or trail joined by hairpin turn
- A roller coaster, or a roller coaster-like road
- Switchback Railway, the first roller coaster designed as an amusement ride in America
- Zig zag (railway), a railway with high ascents and descents
- A motorcycle having detachable windscreens and luggage bags, e.g. Harley Davidson's Dyna 2012 model
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