A triangular orange sign on the rear of a vehicle indicates that

Explanation

This emblem on the rear of a vehicle identifies it as a slow-moving vehicle, which Alaska defines as a vehicle whose top speed does not exceed 25 mph. Slow-moving vehicles include animal-driven vehicles, farm tractors, and roadway maintenance vehicles. If you approach one of these vehicles, slow down and proceed with caution. Be patient; the driver may pull over to let you pass.