Definition
The central reservation (mediana) is the strip that physically separates the two opposing carriageways. It can be a concrete or metal barrier, a landscaped strip, or a hedge. It prevents head-on crossings and reduces night-time glare.
Key facts
- One of the features that distinguishes motorways/dual carriageways from conventional roads.
- Drastically reduces high-speed head-on collisions.
- Crossing the central reservation is forbidden, even where there is no barrier.
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