There are a variety of tips in order to avoid tractor trailer accidents. Some of these tips are for the driver not to drive longer than they can physically stand. If they need to take a break, then they should.
Completing the average trailer driver program will take about 9 months. This is due to the fact that you must have a certain amount of real life driving before you are lisenced.
Yes, a strong enough tornado could lift a tractor trailer. It would probably take a a strong EF2 or EF3 to do so.
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100 to 300 is the norm.
Legally, and provided the driver has enough hours on their logbook to complete the run, about 2-1/2 days.
It is legal to drive a tractor on the highway as long as you are going directly on the side to where you will take it and do your work.
Generally, if you will be driving the tractor on private land, the adults in your life can make the decision as to when you are old enough to safely drive the tractor. If you are 16 you can take your tractor driving test or if you have passed it then you can then drive it on the road.
One with no trailer. When you go to a truck stop, a lot of them have "bobtail parking" areas. They don't want you to park the tractor itself in a place a tractor with a trailer can fit, so they'll take the real short areas and designate them "bobtail parking" zones.
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Another name for a tractor or a trailer with two consonants removed from the right is "cart." The word "tractor" minus the last two consonants "or" becomes "cat," and "trailer" minus the last two consonants "er" becomes "trail," which are both synonyms for a cart.
You should pull over and take some sleeper berth time. We all drive tired - you don't want to drive when you're sleepy. Nothing you haul and no deadline is worth losing your life over.