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| | AASHTO - American Association of State Highway and Transportation Officials |
 | | Established in 1914, AASHTO has for decades been the preeminent source of technnical information on the design, construction, and maintenance of highways and other transportation facilities. |
 | | AASHTO is the only national organization whose interests include all five transportation modes: aviation, highways, public transportation, rail, and water transportation. |
 | | More than 100 voluntary guidelines and specifications published by AASHTO cover administration and economics, bridges and structures, construction and right-of-way, design and traffic, highway transport and safety, maintenance, materials, and planning and environment. |
| www.techstreet.com /info/aashto.html (184 words) |
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