You might have heard the term "jackknifing" with regards to semi-trucks, especially when they're in accidents. What is jackknifing, and how does it happen?

"I'm a mechanic and was frustrated with the inability to check trailer light circuits without a semi-truck connection," said ...

The “widespread theft ring” managed to swipe 19 semi trucks, trailers and dump trucks in just over seven months, the ...

A wild scene was caught on camera as a freight train struck a semi-trailer in Minnesota last week, sending grain flying in ...

Semi-trucks and their weigh stations are a common sight on the roads, but you've likely never seen the station itself. Here's ...

Following a six-month investigation by the Leesburg Police Department, a Loudoun County grand jury this week indicted a ...

California Highway Patrol is investigating a crash that killed at least one person east of Arvin Wednesday night, according to its website.