An oncoming tractor trailer then collided into the motorcyclist ... Cars inched along, bumper-to-bumper on the Big Curve. The footage also showed an investigator standing by the motorcycle ...

The tractor-trailer appeared to have been damaged in a crash. The front bumper was partially ripped off and the cabin of the vehicle was crunched.

Most of them are not rated using a traditional under-bumper hitch. Instead, they're rated using a 5th-wheel hitch. The tractor-trailer style kingpin and horseshoe hitch head take weight from the ...