Standard Specification for
AASHTO Designation: M 168-07
This specification provides a compilation of specifications covering commercial grades and species of lumber and other wood products for highway construction as indicated below.
More detailed requirements will be found in the various specifications cited for specific products.
Structural-Glued Laminated Timber, Piling,
Structural Composite Lumber.
The values stated in SI units are to be regarded as the standard.
Click below to download AASHTO Designation: M 168-07 pdf free
Click here to download AASHTO Designation M 167 M/M 167-05 pdf free download