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D.O.T. and Farm Implement Conspicuity Marking

According to the National Safety Council, nearly 8,000 highway accidents involve farm equipment each year. Many accidents are attributed to the increased size of farms, requiring farmers to travel longer distances to the fields; larger implements designed for larger fields; and, an increasing population that is unfamiliar with the size and speed of farm equipment.
Marking Animation
A.S.A.E. Passes Standards

The American Society of Agricultural Engineering (ASAE) has passed two new standards to help reduce farm equipment highway accidents.  Standard S276.5 is an upgrade of the SMV emblems, requiring that prismatic retroreflecive material be used instead of engineer's grade tape.  Standard S276.10 details how the new retroreflective tapes should be mounted to farm implements for added visibility. 
Installation Instructions for Reflector Kit

Red retroreflective and fluorescent orange tape strips should be mounted horizontally, in a side-by-side configuration.  One 2"x9" strip of red retroreflective material should be placed on both the far left and right of the equipment.  The red strips can't be more than 16" from the equipment extremities.

A 2"x9" fluorescent orange strip should be placed in a line next to each red retroreflective strip.  There should be no more than six feet between the fluorescent strips.  Additional red retroreflective/orange fluorescent combinations may be added near the center of the equipment. See Diagrams A and B for placement. 

Note:  If the horizontal distance between red or orange strip combinations exceeds six feet, we recommend another combination of red and orange.  You may count the SMV symbol itself as a strip combination.

Front and Sides: Yellow retroreflective strips (2"x9") should be mounted on the front and sides of the farm equipment. Like the rear retroreflective strips, the yellow strips should be placed no more than 16 inches from the extremities of the equipment. There should be no more than six feet between strips.  However, additional yellow retroreflective strips may be placed near the center of the equipment.  See Diagrams A and B for placement.

Diagram A:

Reflector Kit Example

Diagram B:

Reflector Kit Example 2

Check your local laws regarding proper use of flashing or rotating warning lights while on public roads. This kit is not a replacement for required lighting.  Laws can change and may vary from state to state.
Applying D.O.T. Conspicuity Tape

Conspicuity tape is now required on all existing trailers

You had until June 1, 2001 to have all of your existing trailers retrofitted with DOT tape. This Federal Highway Administration (FHWA) regulation CFR 393.13 applies to all existing trailers with a gross vehicle weight of 10,000 lbs. and 80" (or wider) overall width. This high-power reflective tape greatly enhances the visibility of trailer borders in low light and darkness.  Using it on box trailers, flatbeds, livestock/grain haulers and tankers may prevent serious accidents and cargo damage.

The following diagrams show acceptable marking of various trailer types:

DOT Marking Tape on Various Trailer Types

Reflective Tape and Kits
SMV Emblems
Daybright™ Reflective Yellow Tape