Guides for designing in USA

Reference material on the design-vehicle standards and swept-path workflow used in USA.

Top-down aerial view of a white American refuse collection truck parked on a sunny US suburban residential street, its vehicle footprint outlined by dashed dimensional lines.

Jul 21, 202614 min read

AASHTO Green Book Design Vehicles: Sources, Access and Free Alternatives (USA)

AASHTO design vehicles (P, SU-30, BUS-40, WB-62, WB-67…) explained: what the codes actually mean, why the Green Book is paywalled, how to obtain the values legally, and which free public sources (FHWA, 23 CFR, state DOT manuals) are enough for pre-design swept-path work.

AASHTOGreen BookDesign Vehicles