AASHTO T 398-22

Standard Method of Test for Measuring Retroreflectivity of Pavement Marking Materials Using a Mobile Retroreflectivity Unit
standard by American Association of State and Highway Transportation Officials, 2022

AASHTO R 13-22

Standard Practice for Conducting Geotechnical Subsurface Investigations (ASTM Designation: D420-18)
standard by American Association of State and Highway Transportation Officials, 2022

AASHTO M 170-22

Standard Specification for Reinforced Concrete Culvert, Storm Drain, and Sewer Pipe (ASTM Designation: C76-16)
standard by American Association of State and Highway Transportation Officials, 2022

AASHTO T 389-22

Standard Method of Test for Determining the Influence of Road Surfaces on Vehicle Noise Using the Statistical Isolated Pass-By (SIP) Method
standard by American Association of State and Highway Transportation Officials, 2022

AASHTO T 331-22

Standard Method of Test for Bulk Specific Gravity (Gmb) and Density of Compacted Asphalt Mixtures Using Automatic Vacuum Sealing Method (ASTM Designation: D6752/D6752M-11)
standard by American Association of State and Highway Transportation Officials, 2022

AASHTO M 224-22

Standard Specification for Use of Protective Sealers for Portland Cement Concrete
standard by American Association of State and Highway Transportation Officials, 2022

AASHTO M 170M-22

Standard Specification for Reinforced Concrete Culvert, Storm Drain, and Sewer Pipe [Metric] (ASTM Designation: C76M-16)
standard by American Association of State and Highway Transportation Officials, 2022

AASHTO T 179-22

Standard Method of Test for Effect of Heat and Air on Asphalt Materials (Thin-Film Oven Test) [ASTM Designation: D1754-97(2002)]
standard by American Association of State and Highway Transportation Officials, 2022

AASHTO T 44-22

Standard Method of Test for Solubility of Bituminous Materials (ASTM Designation: D2042-01)
standard by American Association of State and Highway Transportation Officials, 2022

AASHTO M 246-22

Standard Specification for Steel Sheet, Metallic-Coated and Polymer-Precoated, for Corrugated Steel Pipe (ASTM Designation: A742/A742M-13)
standard by American Association of State and Highway Transportation Officials, 2022