Toyoto camry vibration at 60 plus mph

why does my 2000 automatic camry vibrate violantly at 60 mph. if i completely stop and start again, it goes away.

John, Don’t Do That ! Keyword = Violently. This Car Is Black-Flagged And Needs To Stay Off The Road Until Further Notice.

This car can have a bad tire ( Can you notice the car wiggling a little even a parking lot speed ? )

Also, this car could have a major suspension and / or steering component getting ready to let go causing loss of control and quite possibly damge and bodily harm.

Get it inspected before driving it.