Contact Us:

Need to get in touch? Contact the HSM team directly at highwaysafetymanual@aashto.org for questions or comments about the HSM or related AASHTO tools or documents, or to share needs or gaps related to research, training, or guidance. 

American Association of State Highway & Transportation Officials
555 12th Street, NW, Suite 1000
Washington, DC 20004
E-mail: highwaysafetymanual@aashto.org