AASHTO DPA-1-CD PDF

The Design Policy Archive CD-ROM is a new single user Windows CD that contains the AASHTO archived design policy documents listed below. All of the technical information in each has been superseded by new AASHTO policy publications. Historians, attorneys, and law libraries will find this publication to be especially useful, as it brings together in one place all the significant archived AASHTO design policies.

• Policies on Geometric Highway Design (1950)
• A Policy on Arterial Highways in Urban Areas (1957)
• A Policy on Geometric Design of Highways and Streets (1990)
• A Policy on Grade Separations for Intersecting Highways
• A Policy on Highway Classifications
• A Policy on Highway Types (Geometric)
• A Policy on Intersections at Grade
• A Policy on Rotary Intersections
• A Policy on Sight Distance for Highways
• Design Standards: Interstate System, Primary System, and Secondary and Feeder Roads
• Policy on Criteria for Marking, Signing No-Passing-Zones on Two- and Three-Lane Roads