Pedestrian Accidents Involving Tractor Trailers (00:01:08)
Buck Rogers: Most pedestrian collisions involving commercial vehicles deal with the fact that these are articulated vehicles. That means the power unit or the tractor is separate from the trailer. When they're connected between the fifth wheel and the kingpin, the tractor and trailer can track separately. That means the tires of the tractor lead and the tires of the trailer follow, but they don't follow in the same tracks. Off tracking. So in situations where a tractor trailer is going around a curve or a turn in an urban setting, the tractor may miss a pedestrian standing on the side of the road, but the trailer can actually track out and strike the pedestrian. Sometimes, depending on whether the trailer is loaded or not, the driver may not even know they struck a pedestrian. Other circumstances where this may occur is in a right turn in an urban setting. Tractor trailers, because they are articulated, require a wide range to make that turn. Often times they run up on that corner, striking people waiting near the corner.
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