- Table 2 to Subpart B of Part 224—Minimum Quantity Requirement for Retroreflective Sheeting on Freight Rolling Stock
| Freight car or locomotive length | Minimum area of retroreflective sheeting required (per car/locomotive side)—yellow
sheeting (ft 2) | Minimum area of retroreflective sheeting required (per car/locomotive side)—white sheeting (ft 2) | Less than 50 ft. | 3.5 | 4.0 | Over 50 ft. to 60 ft. | 4.0 | 5.0 | Over 60 ft. to 70 ft. | 4.5 | 5.5 | Over 70 ft. to 80 ft. | 5.0 | 6.0 | Over 80 ft. to 90 ft. | 5.5 | 7.0 | Over 90 ft. to 100 ft. 1 | 6.0 | 7.5 |
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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.