Car just got really bad shakes/wobbles at 60mph, trying to figure out a cause.

What is your question?

I got on the freeway just fine yesterday, then sometime when going 50-55mph through construction, and (trying to) speed back up to 80, it started shaking as if my tires were out of balance. So after I finally got back to town I got my tires balanced and rotated, but I still have that shaking. Help? it's my only way to commute to school and back everyday.