194 Using the Engineering Literature, Second Edition
source for technical standards for materials, products, systems, and services. Known for
their high technical quality and market relevancy, ASTM International standards have an
important role in the information infrastructure that guides design, manufacturing, and
trade in the global economy.
American Association of State Highway and Transportation Ofcials (AASHTO) http://
www.transportation.org/ (accessed June 22, 2010). AASHTO represents all ve trans-
portation modes. It works to develop specications related to highways and public
transportation.
American Concrete Institute (ACI) http://www.concrete.org/ (accessed June 22, 2010).
Founded in 1904, the ACI develops codes and ...