What is a 'jackknife' skid, and which part of the vehicle typically causes it?

Pick an answer

1. A skid caused only by a flat tire
2. A skid that only happens to the front steering axle
3. A term that only applies to skids happening on an icy bridge deck, something that trips up drivers unfamiliar with causes
4. A skid where the trailer swings out because the tractor drive wheels lose traction while braking

Correct!

Not quite. The correct answer is highlighted.