Alaska Administrative Code
Title 13 - Public Safety
Part 1 - Division of Alaska State Troopers
Chapter 02 - Motor Vehicle and Driving Offenses: Rules of the Road
Article 2 - Use of Roadway
13 AAC 02.095 - Use of divided and controlled-access highways - restrictions

(a) When a highway has been divided into two or more roadways by an intervening space, physical barrier, or clearly indicated dividing section constructed to impede vehicular traffic, every vehicle must be driven on the right-hand roadway unless directed or permitted to use another roadway by an official traffic-control device, police officer, fireman or authorized flagman. No vehicle may be driven over, across, or within the dividing space, barrier, or section, except through an opening or at an established crossover or intersection, unless specifically directed to do so by state or local authority.

(b) When the Department of Transportation and Public Facilities or a municipality, with respect to a controlled-access highway under its jurisdiction, prohibits or limits the use of the highway to certain types of vehicles or traffic, it must erect and maintain signs on the highway notifying drivers of the limitations.

(c) A person may drive a vehicle onto or from a controlled-access roadway only at entrances and exits established by public authority.