Welcome to AASHTO Subcommittee on Materials training web site. This site provides self-paced online training for AASHTO Subcommittee on Materials web site. AASHTO Subcommittee on Materials web site provides access to AASHTO Library. AASHTO Library provides a place where the members can communicate, share documents, and work together on the AASHTO SOM standards. Members can contribute to the site by using nothing more than a Web browser allowing you to work seamlessly with the site, saving files to the library, and editing documents within Microsoft Office Word.