Featured Publications

• A Policy on Geometric Design of Highways and Streets, 7th Edition, Single User PDF Download

  

  A Policy on Geometric Design of Highways and Streets, 7th Edition, 2018, commonly referred to as the “Green Book,” contains the current design research and practices for .....
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• AASHTO LRFD Bridge Construction Specifications, 4th Edition

  

  The AASHTO LRFD Bridge Construction Specifications are intended for use in the construction of bridges. The specifications employ the Load and Resistance Factor Design (LRFD) methodology, .....
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• AASHTO LRFD Bridge Design Specifications, 8th Edition

  

  These specifications cover the design, evaluation, and rehabilitation of highway bridges. The design provisions of these specifications employ the Load and Resistance Factor Design (LRFD) methodology, .....
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• Manual for Assessing Safety Hardware, Second Edition, Single User PDF Download

  

  This manual encourages consistency in testing and evaluation of roadside safety features. It includes a new matrix for cable barrier testing on slopes, modifications to several .....
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• Standard Specifications for Transportation Materials and Methods of Sampling and Testing, and AASHTO Provisional Standards, Single User Web-Based One-Year Subscription

  

  The AASHTO Materials Standards contain specifications, test methods, and provisional standards commonly used in the construction of highway facilities. They are available as a one-year online .....
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