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AASHTO

PDF Standards AASHTO LTS-6

Standard Specifications for Structural Supports for Highway Signs, Luminaires, and Traffic Signals, 6th Edition, Includes Errata, 2015 and 2020 Interim Revisions
standard by American Association of State and Highway Transportation Officials, 2013

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AASHTO

PDF Standards AASHTO GPF-1

AASHTO Guide for the Planning, Design, and Operation of Pedestrian Facilities, 1st Edition
Handbook / Manual / Guide by American Association of State and Highway Transportation Officials, 01/01/2004

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