AASHTO T 166-21
Standard Method of Test for Bulk Specific Gravity (Gmb) of Compacted Hot Mix Asphalt (HMA) Using Saturated Surface-Dry Specimens
standard by American Association of State and Highway Transportation Officials, 2021
AASHTO T 277-21
Electrical Indication of Concrete's Ability to Resist Chloride Ion Penetration (ASTM C 1202-12)
standard by American Association of State and Highway Transportation Officials, 2021
AASHTO PP 112-21
Standard Practice for Recognizing Surrogate Test Methods
standard by American Association of State and Highway Transportation Officials, 2021
AASHTO R 28-21
Standard Practice for Accelerated Aging of Asphalt Binder Using a Pressurized Aging Vessel (PAV)
standard by American Association of State and Highway Transportation Officials, 2021
AASHTO M 252-21
Standard Specification for Corrugated Polyethylene Drainage Pipe
standard by American Association of State and Highway Transportation Officials, 2021
AASHTO T 394-21
Standard Method of Test for Determining the Fracture Energy of Asphalt Mixtures Using the Semicircular Bend Geometry (SCB)
standard by American Association of State and Highway Transportation Officials, 2021
AASHTO SSFP-15
Survey of State Funding for Public Transportation - Final Report 2021, Based on FY 2019 Data
Report / Survey by American Association of State and Highway Transportation Officials, 2021
AASHTO T 358-21
Standard Method of Test for Surface Resistivity Indication of Concrete's Ability to Resist Chloride Ion Penetration
standard by American Association of State and Highway Transportation Officials, 2021
AASHTO TP 144-21
Standard Method of Test for Determining the Potential Alkali-Silica Reactivity of Coarse Aggregates (TFHRC-TFAST)
standard by American Association of State and Highway Transportation Officials, 2021
AASHTO T 327-22
Standard Method of Test for Resistance of Coarse Aggregate to Degradation by Abrasion in the Micro-Deval Apparatus (ASTM Designation: D6928-10)
standard by American Association of State and Highway Transportation Officials, 2022
AASHTO T 103-22
Standard Method of Test for Soundness of Aggregates by Freezing and Thawing
standard by American Association of State and Highway Transportation Officials, 2022
AASHTO T 96-22
Standard Method of Test for Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine (ASTM Designation: C131-01)
standard by American Association of State and Highway Transportation Officials, 2022