You might possibly have a bent drive shaft, or if you have oversized tires they could be rubbing against the wheel wells
At highway speed, tire out of balance or bent wheel. When stopping, warped rotor.
Its your bushings, they need to be replaced. About $200 at a shop.
well... there are many different causes for vibrations. The most common cause for steering wheel vibration at high speed is poor wheel alignment.
it would be in need of some lubrication Perhaps bad or weak clock-spring (real part) inside steering column
Kinetic Energy helps the car wheel spin...
Low steering fluid can cause a steering wheel to whine when turning. A worn steering belt can also cause a steering wheel to whine when a car is being turned.
The steering wheel was turned.
Tires out of balance
Tire out of balance or bent wheel.
Usually it's a wheel balance issue, but it can also be worn steering components, a bent wheel, a faulty tire or a bad CV joint.
Failure of the Power Steering system.