Science Fair Project Encyclopedia
The term off-road refers to a driving surface which is not conventionally paved. This is a rough surface, often created naturally, such as sand, gravel, a river, mud, snow and others. These terrains can sometimes only be travelled on by vehicles designed for off-road driving (such as SUVs, ATVs, snowmobiles or mountain bicycles) or vehicles that have off-road equipment.
In some countries, off-road activity may be prohibited in many areas and even where allowed, may require special permits or licenses.
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