AASHTO policy document

An AASHTO policy document is an official publication by the American Association of State Highway and Transportation Officials that establishes standards, guidelines, and best practices for the planning, design, construction, and operation of transportation infrastructure in the United States.

Aliases (1)

• roadway safety planning guidance ×1

Instances (2)

• AASHTO U.S. Route Numbering and Sign Policy
• Highway Safety Improvement Program guidance ("roadway safety planning guidance")