Alaska Statutes
Article 1. Designation, Marking, and Use.
Sec. 19.10.015. Establishment of highway widths.

(a) It is declared that all officially proposed and existing highways on public land not reserved for public uses are 100 feet wide. This section does not apply to highways that are specifically designated to be wider than 100 feet.
(b) Notwithstanding (a) of this section, a municipality may designate the width of a road that is not a part of the state highway system if the municipality maintains the road.