AASHTO M 86M/M 86-20
Standard Specification for Nonreinforced Concrete Sewer, Storm Drain, and Culvert Pipe (ASTM Designation: C 14M-15a and C 14-15a)
standard by American Association of State and Highway Transportation Officials, 2020
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AASHTO M 280-20
Standard 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 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 252-20
Standard Specification for Corrugated Polyethylene Drainage Pipe
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 330-20
Standard Specification for Polypropylene Pipe, 300- to 1500-mm (12- to 60-in.) Diameter
standard by American Association of State and Highway Transportation Officials, 2020
AASHTO M 178M/M 178-20
Standard Specification for Concrete Drain Tile (ASTM Designation C 412M-15 and C 412-15)
standard by American Association of State and Highway Transportation Officials, 2020
AASHTO MASH-2 Errata 2
Errata to Manual for Assessing Safety Hardware, Second Edition
Amendment by American Association of State and Highway Transportation Officials, 07/01/2020
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
AASHTO MASH-2 Errata 1
Errata to Manual for Assessing Safety Hardware, Second Edition
Amendment by American Association of State and Highway Transportation Officials, 06/01/2020