I was driving down the road and my truck started shaking and then I lost control sending me into the center median. I regained control and had it towed. what's the issue?

What is your question?

I was driving down the interstate at about 70 mph I started wobbling back and forth the truck started shaking and sent me out of control into the center median where I regained control and made it to the side of the road and parked it and had it towed

How long has your 1999 Ford Ranger had this problem?

recently