AASHTO SSFP-17
Survey of State Funding for Public Transportation—Final Report 2023, Based on FY 2021 Data, Includes Errata (2023)
Report / Survey by American Association of State and Highway Transportation Officials, 2023
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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 T 161-22
Standard Method of Test for Resistance of Concrete to Rapid Freezing and Thawing (ASTM Designation: C666/C666M-15)
standard by American Association of State and Highway Transportation Officials, 2022
AASHTO M 207M/M 207-22
Standard Specification for Reinforced Concrete Elliptical Culvert, Storm Drain, and Sewer Pipe (ASTM Designation: C507M-16 and C507-16)
standard by American Association of State and Highway Transportation Officials, 2022
AASHTO T 215-22
Standard Method of Test for Permeability of Granular Soils (Constant Head)
standard by American Association of State and Highway Transportation Officials, 2022
AASHTO T 330-22
Standard Method of Test for The Qualitative Detection of Harmful Clays of the Smectite Group in Aggregates Using Methylene Blue
standard by American Association of State and Highway Transportation Officials, 2022
AASHTO T 193-22
Standard Method of Test for The California Bearing Ratio
standard by American Association of State and Highway Transportation Officials, 2022
AASHTO M 288-22
Standard Specification for Geosynthetic Specification for Highway Applications
standard by American Association of State and Highway Transportation Officials, 2022
AASHTO TP 136-22
Standard Method of Test for Determining the Degree of Saturation of Hydraulic-Cement Concrete
standard by American Association of State and Highway Transportation Officials, 2022
AASHTO T 148-22
Standard Method of Test for Measuring Length of Drilled Concrete Cores (ASTM Designation: C174/C174M-17)
standard by American Association of State and Highway Transportation Officials, 2022