The trucking industry has made a large historical impact since the early 20th century. It has affected the U.S. bothpoliticallyas well aseconomicallysince the notion has begun.Previous to the invention of automobiles, most freightwas moved bytrain or horse-drawn carriage. Trucks were firstexclusivelyused by the military during World War I.
After the war, construction of paved roads increased. As a result, trucking began to achieve significant popularity by the 1930's.Soon after trucking became subject to various government regulation, such as the hours of service.During the later 1950's and 1960's, trucking accelerated due to the construction of the Interstate Highway System.The Interstate Highway System is an extensive network of freeways linking major cities cross country.
In the United States, a commercial driver's license is required to drive any type of commercial vehicle weighing 26,001 lb (11,794 kg) or more. In 2006 the US trucking industry employed 1.8 million drivers of heavy trucks.
Within the world of transportation, bypass routes are often very controversial.This ismostlydue to the fact that theyrequirethe building of a road carrying heavy traffic where no road existed before.This has created conflict among society thus creating a divergence between those in support of bypasses and those whoare opposed. Supporters believe they reduce congestion in built up areas. Those in opposition do not believe in developing (often rural) undeveloped land.In addition, the cities thatare bypassedmay also oppose such a project as reduced traffic may, in turn, reduce and damage business.
In 1984 the animated TV series The Transformers told the story of a group of extraterrestrial humanoid robots.However, itjustso happens that they disguise themselves as automobiles. Their leader of the Autobots clan, Optimus Prime,is depictedas an awesome semi-truck.
The rise of technological development gave rise to the modern trucking industry.There a few factors supporting this spike in the industry such as the advent of the gas-powered internal combustion engine.Improvement in transmissions is yet another source,justlike the move away from chain drives to gear drives. And of course the development of the tractor/semi-trailer combination.
The first state weight limits for truckswere determinedand put in place in 1913.Only four states limited truck weights, from a low of 18,000 pounds (8,200 kg) in Maine to a high of 28,000 pounds (13,000 kg) in Massachusetts. The intention of these laws was to protect the earth and gravel-surfaced roads. In this case, particular damages due to the iron and solid rubber wheels of early trucks. By 1914 there were almost 100,000 trucks on America's roads.As a result of solid tires, poor rural roads, and amaximumspeed of 15 miles per hour (24km/h) continued to limit the use of these trucks tomostlyurban areas.