Okla. Stat. tit. 47, § 47-12-208: Vehicles of certain width - Clearance lamps - Side

marker lamps - Reflectors.

A. In addition to other equipment required in this chapter,

every vehicle, except truck-tractors and pole trailers, which is

eighty (80) inches or more in overall width shall be equipped:

1. On the front, with two amber clearance lamps, one at each

side located at the same level and as widely spaced laterally and as

near the top as practicable;

2. On the rear, with two red clearance lamps, one at each side

located at the same level and as widely spaced laterally and as near

the top as practicable; provided, trailers or semitrailers are not

required to comply with this paragraph;

3. On each side, with two side marker lamps, one at the front

amber in color and one at the rear red in color. The marker lamps

shall be located at the same level and as widely spaced laterally

and as near the top as practicable, but not less than fifteen (15)

inches above the surface of the road;

4. On each side, with one intermediate amber side marker lamp,

at or near the midpoint between the front and rear side marker

lamps, but not less than fifteen (15) inches above the surface of

the road. Provided, any vehicle less than thirty (30) feet in

overall length is not required to comply with this paragraph;

5. On each side, with two reflex reflectors, one at the front

amber in color and one at the rear red in color. The reflex

reflectors shall be located at the same level and as widely spaced

laterally and as near the top as practicable, but not less than

fifteen (15) inches above the surface of the road; and

6. On each side, with one intermediate amber side reflex

reflector, at or near the midpoint between the front and rear side

reflex reflectors, but not less than fifteen (15) inches nor more

than (60) inches above the surface of the road. Provided, any

vehicle less than thirty (30) feet in overall length is not required

to comply with this paragraph.

B. In addition to other equipment required in this chapter,

every truck-tractor shall be equipped on the front, with two amber

clearance lamps, one at each side located at the same level and as

widely spaced laterally and as near the top as practicable.

C. In addition to other equipment required in this chapter,

every pole trailer shall be equipped:

1. On each side, with one red or amber side marker lamp and one

amber clearance lamp, which may be in combination, to show to the

front, side and rear; and

2. On the rear of the pole trailer or load, with two red reflex

reflectors, one at each side located at the same level and as widely

spaced laterally and as near the top as practicable, but not less

than fifteen (15) inches above the surface of the road; provided,

any load overhang of four (4) feet or more shall be lighted in

compliance with Section 12-213 of this title.

D. Any required red reflector on the rear of a vehicle may be

incorporated with the tail lamp, but such reflector shall meet all

the other reflector requirements of this chapter.

E. In addition to other equipment required in this chapter, any

motor vehicle eighty (80) inches or more in overall width shall be

equipped with:

1. Three identification lamps showing to the front which shall

emit an amber light; and

2. Three identification lamps showing to the rear which shall

emit a red light.

Such lamps shall be placed horizontally in a row between the

clearance lamps on the vertical center line of the vehicle.