Alaska DOT Flagger Training Specifications
From Alaska Department of Transportation and Public Facilities Standard Specifications for Highway Construction:
“Flaggers must be certified by one of the following:
a. Flagging Level I Certification by IMSA, or
b. Flagger Certification by ATSSA.
Flagger training and certification must be renewed at least every 4 years.
Acceptable substitutions for items a. and b. are certified ATSSA Worksite Traffic Supervisors, IMSA Work Zone Traffic Safety Specialists, IMSA Signs and Markings Specialists, and ATSSA Flagging Instructors.
Renew flagger training and certification no less frequently than every 4 years. Flaggers must be able to show their flagger certification anytime they are on a project.”