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AASHTO T 209-20Standard Method of Test for Theoretical Maximum Specific Gravity (Gmm) and Density of Hot-Mix Asphalt (HMA)standard by American Association of State and Highway Transportation Officials, 2020
AASHTO T 180-20Standard Method of Test for Moisture-Density Relations of Soils Using a 4.54-kg (10-lb) Rammer and a 457-mm (18-in.) Dropstandard by American Association of State and Highway Transportation Officials, 2020
AASHTO MASH-2 Errata 2Errata to Manual for Assessing Safety Hardware, Second EditionAmendment by American Association of State and Highway Transportation Officials, 07/01/2020
AASHTO MASH-2 Errata 1Errata to Manual for Assessing Safety Hardware, Second EditionAmendment by American Association of State and Highway Transportation Officials, 06/01/2020
AASHTO T 90-20Standard Method of Test for Determining the Plastic Limit and Plasticity Index of Soilsstandard by American Association of State and Highway Transportation Officials, 2020
AASHTO M 280-20Standard Specification for Metallic-Coated (Carbon) Steel Barbed Wire (ASTM Designation: A 121-13)standard by American Association of State and Highway Transportation Officials, 2020
AASHTO M 275M/M 275-20Standard Specification for Uncoated High-Strength Steel Bars for Prestressing Concrete (ASTM Designation: A 722/A 722M-18)standard by American Association of State and Highway Transportation Officials, 2020
AASHTO M 273-20Standard Specification for Precast Reinforced Concrete Box Sections for Culverts, Storm Drains, and Sewers with Less Than 2 ft of Cover Subjected to Highway Loadingsstandard by American Association of State and Highway Transportation Officials, 2020
AASHTO M 270M/M 270-20Standard Specification for Structural Steel for Bridges (ASTM Designation: A 709/A 709M-18)standard by American Association of State and Highway Transportation Officials, 2020
AASHTO M 259-20Standard Specification for Precast Reinforced Concrete Box Sections for Culverts, Storm Drains, and Sewers (ASTM Designation: C 789-95a)standard by American Association of State and Highway Transportation Officials, 2020
AASHTO M 252-20Standard Specification for Corrugated Polyethylene Drainage Pipestandard by American Association of State and Highway Transportation Officials, 2020
AASHTO M 242M/M 242-20Standard Specification for Reinforced Concrete D-Load Culvert, Storm Drain, and Sewer Pipe (ASTM C655M-15 and C655-15)standard by American Association of State and Highway Transportation Officials, 2020