Correct answer
Central reservation
The central reservation is the separating space, ditch or low wall that divides the two directions of traffic on a motorway or dual carriageway to prevent vehicles from entering the opposite lane.
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Intersection
Central reservation
Hard shoulder
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Glossary terms in this question
Dual carriageway
Fast road with separated carriageways per direction and at least two lanes each way, no at-grade intersections.
Motorway
Top-grade public road with separated carriageways, no direct property access, restricted to motor vehicles.
Hard shoulder
Longitudinal strip of the road outside and alongside the carriageway. It is not an ordinary lane, and its use depends on the vehicle, road and signs.
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