In 1976, the number one hit on the Billboard chart was "Convoy," a novelty song by C.W. McCall about a convoy of truck drivers evading speed traps and toll booths across America. The song inspired the 1978 action film Convoy directed by Sam Peckinpah. After the film's release, thousands of independent truck drivers went on strike and participated in violent protests during the 1979 energy crisis (although similar strikes had occurred during the 1973 energy crisis).
In the United States, shipments larger than about 7,000 kg (15,432 lb)are classifiedas truckload freight (TL). It is more efficient and affordable for a large shipment to have exclusive use of one larger trailer. Thisis opposedto having to share space on a smaller Less than Truckload freight carrier.
The American Trucking Associations initiated in 1985 with the intent to improve the industry's image. With public opinion declining the association triednumerousmoves.One such move was changing the name of the "National Truck Rodeo" to the "National Driving Championship". This was due to the fact that the word rodeo seemed to imply recklessness and reckless driving.
A semi-trailer is almost exactly what it sounds like, it is a trailer without a front axle.Proportionally, its weightis supported bytwo factors. The weight falls upon a road tractor or by a detachable front axle assembly, known as a dolly. Generally, a semi-traileris equippedwith legs, known in the industry as "landing gear". This means it canbe loweredto support it when itis uncoupled. In the United States, a trailer may not exceed a length of 57 ft (17.37 m) on interstate highways.However, it is possible to link two smaller trailers together to reach a length of 63 ft (19.20 m).
The Federal Motor Carrier Safety Administration (FMCSA) issues Hours of Service regulations.At the same time, they govern the working hours of anyone operating a commercial motor vehicle (CMV) in the United States.Such regulations apply to truck drivers, commercial and city bus drivers, and school bus drivers who operate CMVs. With these rules in place, the number of daily and weekly hours spent driving and workingis limited.The FMCSA regulates theminimumamount of time drivers must spend resting between driving shifts. In regards to intrastate commerce, the respective state's regulations apply.