In 1999, The Simpsons episode Maximum Homerdrive aired. It featured Homer and Bart making a delivery for a truck driver named Red after he unexpectedly dies of 'food poisoning'.
Trucks and cars have much in commonmechanicallyas well asancestrally.One link between them is the steam-powered fardier Nicolas-Joseph Cugnot, who built it in 1769. Unfortunately for him, steam trucks were notreallycommon until the mid 1800's. While looking at thispractically, it would be much harder to have a steam truck. This ismostlydue to the fact that the roads of the timewere builtfor horse and carriages. Steam truckswere leftto very short hauls, usually from a factory to the nearest railway station.In 1881, the first semi-trailer appeared, and it was in fact towed by a steam tractor manufactured by De Dion-Bouton.Steam-powered truckswere soldin France and in the United States,apparentlyuntil the eve of World War I. Also, at the beginning of World War II in the United Kingdom, theywere knownas 'steam wagons'.
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.
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).
Advocation for better transportation beganhistoricallyin the late 1870s of the United States. This is when the Good Roads Movement first occurred, lasting all the way throughout the 1920s. Bicyclist leaders advocated for improved roads.Their acts led to the turning of local agitation into the national political movement it became.
There are many different types of trailers thatare designedto haul livestock, such as cattle or horses.Mostcommonlyused are the stock trailer, whichis enclosedon the bottom but has openings at approximately. This opening is at the eye level of the animalsin order toallow ventilation. A horse trailer is a much more elaborate form of stock trailer. Generally horsesare hauledwith the purpose of attending or participating in competition.Due to this, they must be in peak physical condition, so horse trailersare designedfor the comfort and safety of the animals. They'retypicallywell-ventilated with windows and vents along withspecificallydesigned suspension. Additionally, horse trailers have internal partitions that assist animals staying upright during travel. It's also to protect other horses from injuring each other in transit.There are also larger horse trailers that may incorporate more specialized areas for horse tack. They may even include elaborate quarters with sleeping areas, bathroom, cooking facilities etc.