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American Association of State Highway and Transportation Officials (AASHTO)

Actualize accepted transportation guidelines and processes

American Association of State Highway and Transportation Officials (AASHTO) standards contain guidelines for multiple aspects of transportation--from construction and design to maintenance and management. More than 1,500 standards and specifications are available, including guidelines, test methods, recommended practices and manuals. AASHTO standards help you:

  • Assure design and construction efficiencies
  • Improve maintenance procedures
  • Adopt agile and safe designs

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Bored? Need Money? Solve One of the Millennium Prize Problems

The 7 Millennium Prize Problems (6 remain unsolved) In order to celebrate mathematics in the new millennium, The Clay Mathematics Institute of Cambridge, Massachusetts (CMI) established seven Prize Problems. The Prizes were conceived to record some of the most difficult problems with which mathemat

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