The publications division of the American Association of State Highway and Transportation Officials is spotlighting the 16 technical standards and guidelines across nine categories that comprise the organization’s “Essential Library” in a new video.

Those standards and guidelines are considered to be “foundational materials” related to the design, construction, operation, maintenance, and administration of highways, streets, bridges, and related transportation structures and facilities.

To download a copy of the “Essential Library” catalog, click here.