For anyone designing and managing highways or streets in the USA there is one essential manual – A Policy on Geometric Design of Highways and Streets, published by AASHTO (American Association of State Highway and Transportation Officials). The manual – commonly referred to as the AASHTO ‘Green Book’ – has just been released in its 7th edition, and this video outlines some of the key updates engineers need to know about.
AASHTO updates its industry-leading ‘Green Book’ on highway design
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