Had the same problem that turned out to be the "sway bars" needing replacing. If the sway bars will move easily or if the rubber around the ends are damaged than this is probably your problem.
It lones to move very jittery and uncontrolably.
Although truck drivers aren't featured in the media frequently, the media typically frowns upon the lowly job of truck driving. Truck drivers are often portrayed as dirty and smelly men who have no other skills to make a living, when in reality, truck driving is actually a very respectable job.
If you meant "Why is there a vibration, or vibration like sound when I'm driving" it is because either the drive-shaft is dented or one of the balancing weights is removed. Or basically it is not balanced, therefore vibration occurs.
Have that tire checked it may be out of balance or have broken steel belts, also check the wheel bearings and suspension bushings.
Defensive driving are safe driving techniques that drivers do to avoid another drivers mistake.
Drivers must use bright lights only when driving?
Defensive driving means that you are aware of other drivers around you. Offensive driving would be the opposite of that. You would not be taught in driving school to drive without caution or concern towards other drivers.
"Drivers ed" is a course taken by students of driving age or just before driving age to teach them how to drive. A lot of schools give a drivers ed course which teaches young drivers the basics of traffic laws and the dangers of driving under the influence or driving distracted. Most of these schools also provide on road driving courses with a certified driving instructor.
Driving as if other drivers are driving carelessly, being ready to avoid them.
no
50% drivers
Driving or operating a watercraft under the influence can impact your drivers license.