Which term describes a traffic barrier system made of longitudinal rails attached to vertical posts, also known as guard railing?

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Multiple Choice

Which term describes a traffic barrier system made of longitudinal rails attached to vertical posts, also known as guard railing?

Explanation:
Railing describes a traffic barrier system made of horizontal rails attached to vertical posts along the roadway edge. This arrangement creates a guard railing that limits vehicle intrusion off the road by providing a deflecting barrier that absorbs some energy as vehicles contact and slide along it. Parapet is a solid wall-like edge, which acts differently from the rail-and-post system and is not the same structure. The other terms don’t refer to this kind of barrier either, so railing is the correct description for a guard railing.

Railing describes a traffic barrier system made of horizontal rails attached to vertical posts along the roadway edge. This arrangement creates a guard railing that limits vehicle intrusion off the road by providing a deflecting barrier that absorbs some energy as vehicles contact and slide along it. Parapet is a solid wall-like edge, which acts differently from the rail-and-post system and is not the same structure. The other terms don’t refer to this kind of barrier either, so railing is the correct description for a guard railing.

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