Okla. Stat. tit. 47, § 47-11-315.1: Overtaking a vehicle being used in the collection or

refuse, solid waste or recyclables.

The driver of a motor vehicle, upon approaching a vehicle being

used in the collection of refuse, solid waste or recyclables

displaying side marker lamps which flash in conjunction with turn

signal lamps or vehicle hazard warning lamps pursuant to the

provisions of Section 12-227 of Title 47 of the Oklahoma Statutes,

shall:

1. If traveling on a highway that consists of two or more lanes

that carry traffic in the same direction of travel as that of the

driver, proceed with due caution and shall, if possible and with due

regard to the road, weather and traffic conditions, change lanes

into a lane that is not adjacent to the vehicle being used in the

collection of refuse, solid waste or recyclables; or if the driver

is not able to change lanes or if to do so would be unsafe, the

driver shall proceed with due caution and reduce the speed of the

motor vehicle to a safe speed for the existing road, weather and

traffic conditions; and

2. If traveling on a highway other than a highway described in

paragraph 1 of this subsection, proceed with due caution and reduce

the speed of the motor vehicle to a safe speed for the existing

road, weather and traffic conditions.