Design & Construction Standards

Traffic and Safety Resources

Alaska Sign Design Specifications (ASDS)

The ASDS is the sign layout standard for Alaska public roads. It consists of the federal Standard Highway Signs and Markings (SHSM) book and the ASDS supplement.

Current ASDS, Effective 1/29/15

• Entire ASDS (21 MB)
• Introduction, General Specifications, and Indices
• Sign Drawings (18 MB)
• Appendices (3 MB)
     Directional Sign Sizing, Lettering, Symbol and Sign Blank Dimensions

Standard Highway Signs and Markings (Federal)

• 2004 Edition
• 2012 Supplement to the 2004 Edition

ARCHIVE: Earlier Versions of the ASDS

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Questions about the ASDS? E-mail the State Traffic and Safety Engineer