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.
Questions about the ASDS? E-mail the State Traffic and Safety Engineer
3132 Channel Dr.,
P.O. Box 112500
Juneau, AK 99811-2500
Phone: (907)465-2975
Fax: (907)465-3124
Matt Walker, P.E.
Statewide Traffic & Safety Engineer