Check your load and equipment before starting on the road. Extra wide or long loads require special permission for transportation, and such loads must carry the necessary warning signs as covered under the load permit (some widths may be moved during the hours of darkness, provided the permit requirements are met).
Some loads might not exceed the legal length but may overhang the vehicle body. Any overhang must carry a red flag at the end of the load between the hours of sunrise and sunset. The flag must be large enough to be clearly visible from the rear of the vehicle.
During night hours, there must be a visible red light at the extreme rear of the overhang.