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AASHTO Executive Director: John Horsley, Washington, D.C. Immediate Past President: Dan Flowers, Arkansas Regional Representatives Region I: (NASTO) William Ankner, Rhode Island—President Joseph Boardman, New York—Vice President Region II: (SASHTO) David McCoy, North Carolina—President Bruce Saltsman, Tennessee—Vice President Region III:
The Federal Highway Administration (FHWA) informs that the 2018 edition of A Policy on Geometric Design of Highways and Streets (Green Book) is guidance only and the 2011 edition is still the adopted standard for NHS projects. The memorandum explains the project types, design flexibility, and interpretation of the 2018 Green Book.
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A Policy on Geometric Design of Highways and Streets provides geometric design guidance based on established practices that are supplemented by recent research. This document is intended as a comprehensive reference manual to assist in administrative, planning, and educational efforts pertaining to design formulation.
- Ricardo Fuentes Borrero
Sep 28, 2018 · The American Association of State Highway and Transportation Officials released the 7th edition of its “Policy on Geometric Design of Highways and Streets” manual in 2018. The “Green Book” provides guidance to engineers and designers on current highway and street design research and practices.
Find design standards, policies, guidelines, and information for highways and streets on the National Highway System (NHS) and other projects. Download the latest edition of the AASHTO Green Book (2018) and archived versions.
Jan 1, 2001 · This document is a legally binding policy on highway and street design by the American Association of State Highway and Transportation Officials. It was incorporated by reference into federal regulations and is available for free download from Internet Archive.
AASHTO Greenbook – A Policy on Geometric Design of Highways and Streets 2018. AASHTO publication is considered the accepted national guideline for highway design. Iowa DOT currently uses the 2018 publication.
