The American Road & Transportation Builders Association
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AASHTO M 43-2005
Scope
This specification defines aggregate size designations and ranges in mechanical analyses for
standard sizes of coarse aggregate and screenings for use in the construction and maintenance of
various types of highways and bridges.
AASHTO M 43-2005 history
2005AASHTO M 43-2005 Standard Specification for Sizes of Aggregate for Road and Bridge Construction