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2. Left- and right-hand traffic - Wikipedia

   en.wikipedia.org/wiki/Left-_and_right-hand_traffic

   This is an accepted version of this page This is the latest accepted revision, reviewed on 11 February 2025. Directionality of traffic flow by jurisdiction Countries by direction of road traffic, c. 2020 Left-hand traffic Right-hand traffic No data Left-hand traffic (LHT) and right-hand traffic (RHT) are the practices, in bidirectional traffic, of keeping to the left side or to the right side ...

3. Semi-trailer aerodynamic device - Wikipedia

   en.wikipedia.org/wiki/Semi-trailer_aerodynamic...

   Semi-trailer aerodynamic devices are devices affixed to semi-trailers, for the purpose of reducing aerodynamic drag caused by air turbulence.The two major types of device in use are trailer skirts (or side skirts), affixed to the underside of trailers, and trailer tails (or boat tails, or rear fairings), affixed to the rear.

4. Runaway truck ramp - Wikipedia

   en.wikipedia.org/wiki/Runaway_truck_ramp

   Substantial length is required. Control can be difficult for the driver; problems include rollback after the vehicle stops. Sand pile escape ramp: a short length of loosely piled sand. Problems include sudden, forceful deceleration; sand being affected by weather conditions (moisture and freezing); and vehicles vaulting and/or overturning after ...

5. Glossary of the American trucking industry - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_the_American...

   The interior of a truck where the driver sits to operate the vehicle. Cheater axle See lift axle. Dual wheels A pair of tire and wheel assemblies mounted side-by-side on a single axle hub. In some applications it is replaced by a super single. On pickup trucks it is sometimes called a dually. The assembly has a greater load carrying ability as ...

6. Trucking industry in the United States - Wikipedia

   en.wikipedia.org/wiki/Trucking_industry_in_the...

   A truck driver's log book is a legally defined form containing a grid outlining the 24-hour day into 15-minute increments. Drivers must specify where and when stops occur between driving shifts, what duties were performed (if any), along with the driver's name, truck number, company info, and other information.

7. Semi-trailer truck - Wikipedia

   en.wikipedia.org/wiki/Semi-trailer_truck

   Conventional style cab tractor A cab-over semi-tractor Tractor with an end-dump trailer A FAW semi-trailer truck in China A semi-trailer truck (also known by a wide variety of other terms – see below) is the combination of a tractor unit and one or more semi-trailers to carry freight. A semi-trailer attaches to the tractor with a type of hitch called a fifth wheel. Other terms There are a ...