Friday, 11 January 2013

American Association of State Highway and Transportation Officials (AASHTO)


HIGHWAY ASSOCIATIONS

American Association of State Highway and Transportation Officials (AASHTO):

The American Association of State Highway Officials, (AASHO) was established in 1914 as an association of state, territorial, and District of Columbia highway departments and the Federal Highway Administration. In 1973 its name was expanded to bring in state departments of transportation. Officials of these agencies govern its operations. Engineering activities are carried on through standing committees which, among their other duties, prepare specifications, manuals, and standards representing the best current practice.

            Publications of AASHTO (or AASHTO until 1974) include, among others, Highway Materials (specifications and Tests); Specifications for Highway Bridges; A Policy on Geometric Design for Rural Highways; A Policy on Design of Urban Highways and Arterial Streets; and numerous other standards and design guides. All these works are authoritative and frequent reference will be made to them in this book.
            The Associations also publishes an annual proceedings and a magazine, American Highway and Transportation Monthly. These report on current highway subjects and important legislation, and reflect trends in thinking and legislation pertaining to the highway field. 

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