The vast majority of passenger travel in the United States occurs by automobile for shorter distances and airplane or railroad for longer distances. Most cargo in the U.S. is transported by, in descending order, railroad, truck, pipeline, or boat; air shipping is typically used only for perishables and premium express shipments. Transportation is the largest source of greenhouse gas emissions in the United States.
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shipments. Transportation is the largest source of greenhouse gas emissions intheUnitedStates. The overwhelming majority of roads intheUnitedStates are...
TheUnitedStates secretary of transportation is the head of theUnitedStates Department of Transportation. The secretary serves as the principal advisor...
Rail transportationintheUnitedStates consists primarily of freight shipments along a well integrated network of standard gauge private freight railroads...
TheUnitedStates is serviced by a wide array of public transportation, including various forms of bus, rail, ferry, and sometimes, airline services. Most...
large role inthe development of theUnitedStates from the industrial revolution inthe Northeast (1820s–1850s) to the settlement of the West (1850s–1890s)...
TheUnitedStates has an extensive air transportation network. In 2013, there were 86 airports inthe U.S. that annually handled over 1,000,000 passengers...
TheUnitedStates government has maintained a variety of vehicles for the president. Because of the president's role as commander-in-chief, military transports...
IntheUnitedStates, speed limits are set by each state or territory. States have also allowed counties and municipalities to enact typically lower limits...
means of military transportation. The US Army centralized the management of rail into theUnitedStates Military Railroad (USMRR). The Army Quartermaster...
An employer intheUnitedStates may provide transportation benefits to their employees that are tax free up to a certain limit. Under the U.S. Internal...
TheTransportation Security Administration (TSA) is an agency of theUnitedStates Department of Homeland Security (DHS) that has authority over the security...
TheUnitedStates of America is a federal republic consisting of 50 states, a federal district (Washington, D.C., the capital city of theUnited States)...
in shaping the economic, social, and geographic landscape of theUnitedStates, laying the foundation for much of the nation's modern transportation infrastructure...
TheUnitedStates federal excise tax on gasoline is 18.4 cents per gallon and 24.4 cents per gallon for diesel fuel. Proceeds from the tax partly support...
86 percent of people intheUnitedStates use private automobiles as their primary form of transportation to their workplace. Each state has the authority to...
The U.S. House Committee on Transportation and Infrastructure is a standing committee of theUnitedStates House of Representatives. The Committee on Transportation...
The deputy secretary of transportation advises and assists the secretary of transportationinthe supervision and direction of the Department of Transportation...
The Surface Transportation Board (STB) of theUnitedStates is an independent federal agency that serves as an adjudicatory board. The board was created...
public transportation as well. Although AASHTO sets transportation standards and policy for theUnitedStates as a whole, AASHTO is not an agency of the federal...