Source: EPA.

Transportation Activities Affecting the Environment

Transportation activities involve separate modes supporting the movements of passengers and freight:

• Infrastructure. The environmental impacts of the construction and maintenance of transport infrastructure.
• Vehicle manufacture. The resources and energy consumed in the manufacturing process have an environmental impact.
• Vehicle travel. Environmental impacts the outcome of regular transport vehicle use, which varies by mode.
• Vehicle maintenance. The consumption and disposal of parts during maintenance can have environmental impacts.
• Vehicle disposal. Once the useful life of a vehicle is over, its disposal may have some environmental impacts.

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