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?

Four of the vehicles were stopped at a traffic light when a fully loaded concrete truck struck the rear of a sedan.

The Nissan Frontier is one of the most popular midsize pickup trucks in the US. I drove a fully loaded, long-wheelbase 2025 Frontier Crew Cab in luxury-minded SL trim. I was impressed by its ...

The truck was fully loaded with 127 cows, police said. The cows did not get loose. Police set up a pen to get cattle out as they work to upright the truck. Most of the dairy cattle are now back ...

They say two patrol vehicles stopped the truck and officers saw signs the driver was impaired. Highway Patrol in British Columbia say a fully loaded dump truck, as shown in this handout photo ...