Frequently asked questions concerning the Motor Carrier Safety Assistance Program and commercial motor vehicles.
When does a load require a flag?
Any load extending more than 4 feet to the rear, or 4 inches to the side must be flagged.The flags must be 18 square, red or orange fluorescent for the federal regulation, and 12 square red for state law (49 CFR §393.87 and KSA 8-1715).

