FMVSS Requirements: Flatbed Utility| Find out where your lighting and reflectors should be placed. | truck-lite.com

Description & Mandatory Requirements
Key	Equipment	SAE Lens Coding	Function	Quantity	Location	Height From Ground
1	Rear Turn	A	Indicate vehicle's presence & width	Min. 2	On rear - symmetrical as far apart as practicable	380-1830 mm (15-72 in.)
1	Sig. Lamp	I	Indicate breaking	Min. 2	On rear - symmetrical as far apart as practicable	380-1830 mm (15-72 in.)
1	Stop Lamps/ Tail Lamps	S	Indicate direction of turn	Min. 2	On rear - symmetrical as far apart as practicable	380-2110 mm (15-83 in.)
1	Rear Reflex Reflectors	T	Indicate vehicle's presence & width	Min. 2	On rear - symmetrical as far apart as practicable facing rearward	380-1530 mm (15-60 in.)
2	License Plate Lamps	L	Illuminates license plate	Min. 1	On the rear - above or at the sides of license plate	No requirements
3	*Rear Side Marker Lamps	(P2, PC* or P3, PC2*)	Front & rear side marker lamps/side reflex reflectors indicate vehicle's presence & length	Min. 2	Each side at rear as far back as practicable	380-1530 mm (15-60 in.) no max. for veh. under 2032 mm (80 in.) wide
3	Rear Side Reflex Reflectors	A	Front & rear side marker lamps/side reflex reflectors indicate vehicle's presence & length	Min. 2	Each side at rear as far back as practicable facing sideways	380-1530 mm (15-60 in.)
4a	*Front Side Marker Lamps	P2, PC* or P3, PC2*	Front & rear side marker lamps/side reflex reflectors indicate vehicle's presence & length	Min. 2	Each side at front as far forward as practicable	380 mm (15 in.) minimum
4b	Front Side Reflex Reflectors	A	Front & rear side marker lamps/side reflex reflectors indicate vehicle's presence & length	Min. 2	Each side front as far forward as practicable facing sideways	380-1530 mm (15-60 in.)

Length 9.1 m (30 ft.) or longer & Width 2032 mm (80 in.) or wider
Key	Equipment	SAE Lens Coding	Function	Quantity	Location	Height From Ground
5a	Intermediate Side Marker Lamps	(P2 or P3)	Indicates presence of a long vehicle	Min. 2	Each side near center facing sideways	380 mm (15 in.) minimum
5b	Intermediate Side Reflex Reflectors	(A)	Indicates presence of a long vehicle	Min. 2	Each side near center facing sideways	380-1530 mm (15-60 in.)
6	*Rear Clearance Lamps	(P2, PC* or P3, PC2*)	Show vehicle's width MAY NOT be combined with tail lamps	Min. 2	At widest point-symmetrical on the rear of near the rear facing rearward	As high as practicable may be lower only if ID lamps are at top
7	Rear Identification Lamps	(P2 or P3)	Indicates presence of a wide vehicle	Exactly 3	On the rear-center horizontally spaced-150 mm (6 in.) to 300 mm (12 in.) apart facing rearward	At the top-may be lower if door header narrower than 25 mm
8	*Front Clearance Lamps	(P2, PC* or P3, PC2*)	Show vehicle's width	Min. 2	At widest point-symmetrical on the front or near the front facing forward	As high as practicable

Width 2032mm (80 in.) or wider & GVWR 4536 kg (10,001 lb.) or more
Key	Conspicuity Treatment	DOC Coding	Quantity	Location	Height	Options
9	Rear Upper Body Markings	DOT-C, DOT-C2, DOT-C3, DOT-C4	Exactly 2 pairs of 300 mm long strips	On the rear upper corners facing rearward	At the top	Reflex reflectors (#3) may not be required if they are replaced in their required location with conspicuity treatment. Optional in Canada:Rear lower body and side conspicuity also be solid white, solid yellow, or white & yellow.
10	Bumper Bar Markings	DOT-C, DOT-C2, DOT-C3, DOT-C5	Continuous	On the rear bumper bar's horizontal element full width of the vehicle facing rearward	No requirement	Reflex reflectors (#3) may not be required if they are replaced in their required location with conspicuity treatment. Optional in Canada:Rear lower body and side conspicuity also be solid white, solid yellow, or white &yellow.
11	Rear Lower Body Marking	DOT-C, DOT-C2, DOT-C3, DOT-C6	Continuous	On the rear full width of the vehicle facing rearward	As horizontal & as close as practicable to the range of 375mm to 1525 mm from the ground	Reflex reflectors (#3) may not be required if they are replaced in their required location with conspicuity treatment. Optional in Canada:Rear lower body and side conspicuity also be solid white, solid yellow, or white & yellow.
12	Side Marking	DOT-C, DOT-C2, DOT-C3, DOT-C7	(see location)	Each side-facing sideward continuous, or evenly spaced over minimum of 50% length starts & ends as close to the front & rear of the vehicle as practicable	As horizontal & as close as practicable to the range of 375 mm to 1525 mm from the ground	Reflex reflectors (#3) may not be required if they are replaced in their required location with conspicuity treatment. Optional in Canada:Rear lower body and side conspicuity also be solid white, solid yellow, or white & yellow.