Retroreflective sheeting shall be applied along the length of each railroad freight car and locomotive side as described in Sec. 224.106. Unless otherwise specified, retroreflective sheeting applied under this part shall be applied in strips 4 inches wide and 18 or 36 inches long, as practicable. The amount of retroreflective sheeting to be applied to each car or locomotive subject to this part is dependent on the length of the car or locomotive and the color of the sheeting. For purposes of this part, the length of a railroad freight car or locomotive is measured from endsill to endsill, exclusive of the coupler and draft gear. Each side of a railroad freight car subject to this part, including each unit of multi-unit cars, and each side of a locomotive subject to this part must be equipped with at least the minimum amount of retroreflective sheeting specified in Table 2 of this subpart. Sec. Table 2 to Subpart B of Part 224--Minimum Quantity Requirement for
Retroreflective Sheeting on Freight Rolling Stock ----------------------------------------------------------------------------------------------------------------
Minimum area of Minimum area of
retroreflective sheeting retroreflective sheeting
Freight car or locomotive length required (per car/locomotive required (per car/locomotive
side)--yellow sheeting (ft side)--white sheeting (ft
\2\) \2\)----------------------------------------------------------------------------------------------------------------Less than 50 ft. 3.5 4.0Over 50 ft. to 60 ft. 4.0 5.0Over 60 ft. to 70 ft. 4.5 5.5Over 70 ft. to 80 ft. 5.0 6.0Over 80 ft. to 90 ft. 5.5 7.0Over 90 ft. to 100 ft.\1\........................... 6.0 7.5----------------------------------------------------------------------------------------------------------------\1\ Freight cars or locomotives over 100 ft. in length must be equipped with an additional one-half a square
foot of sheeting on each side for every additional 10 feet of length.