AASHTO

AASHTO

AASHTO M 259-20

Standard 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 242M/M 242-20

Standard 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

AASHTO SS-19 Errata 1

Errata to 2019 AASHTO Salary Survey
Amendment by American Association of State and Highway Transportation Officials, 06/01/2020

AASHTO R 98-20

Standard Practice for Standard Practice for Determination of Size and Shape of Glass Beads Used in Traffic Markings by Means of Computerized Optical Method
standard by American Association of State and Highway Transportation Officials, 2020

AASHTO T 388-20

Standard Method of Standard Method of Test for Detectable Warning Systems
standard by American Association of State and Highway Transportation Officials, 2020

AASHTO M 207M/M 207-20

Standard Specification for Reinforced Concrete Elliptical Culvert, Storm Drain, and Sewer Pipe (ASTM Designation: C 507M-16 and C 507-16)
standard by American Association of State and Highway Transportation Officials, 2020

AASHTO M 170-20

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, 2020

AASHTO T 244-20

Standard Method of Test for Mechanical Testing of Steel Products
standard by American Association of State and Highway Transportation Officials, 2020

AASHTO M 275M/M 275-20

Standard 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 206M/M 206-20

Standard Specification for Reinforced Concrete Arch Culvert, Storm Drain, and Sewer Pipe (ASTM C506M-16b and C506-16b)
standard by American Association of State and Highway Transportation Officials, 2020