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Environmental Effects
- Increases in Nitrogen Oxides (NOx) - mostly due to cars and therefore highways
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See how NOx effects our health and environment:
(Source: Environmental Protection Agency)
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- Highways cut through habitats, damaging many parts of ecosystems
- Pollution restriction laws now necessary
- Pollution restriction laws now necessary
The National Environmental Policy Act of 1969 (NEPA)
Intermodal Surface Transportation Efficiency Act of 1991 (ISTEA)
Environmental Precautions Now Taken For Highway Projects
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Source: Evaluation of Ecological Impacts From Highway Development, U.S. Environmental Protection Agency, 1994
Demographic Effects
Relocation
Government bought land from farmers to make room for interstate highways, but consent was not always willingly given from farmers
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