Specification M 147-17(2021) Standard specification for materials for aggregate and soil-aggregate subbase, base, and surface courses
Publication Year
2017
Document Status
Current
Abstract
Specifies the quality and grading of sand-clay mixtures; gravel, stone, or slag screenings; or sand, crusher run coarse aggregate consisting of gravel, crushed stone, slag or any combination of these materials for use in the construction of subbase, base and surface courses.
Document History
Includes all amendments and changes through Reapproval Notice, 2021.
Publisher Information
American Association of State Highway and Transportation Officials
AASHTO is a non-profit association representing air, road, public, rail and water transportation departments in the 50 US states, the District of Columbia, and Puerto Rico to foster the development, operation, and maintenance of an integrated national transportation system.
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Suite 249
Washington, DC
AASHTO
USA
Website: www.transportation.org
Email: info@aashto.org
Tel: +1 202 624-5800
