New Jersey Statutes Title 39. Motor Vehicles and Traffic Regulation 39 § 3-54.27

a. Sanitation vehicles operated by a local public entity, or by a licensed solid waste collection company pursuant to a State or local permit, license, contract, or franchise with a local public entity, and used to collect and transport garbage, solid wastes, and refuse shall display flashing amber warning lights of a type approved by the chief administrator while stopped upon a street and while engaged in the collection of garbage, solid wastes, and refuse or while moving between stops at a speed not greater than 10 miles per hour.

b. Nothing herein shall be construed to grant any person displaying flashing amber warning lights pursuant to the provisions of this act any privileges or exemptions denied to the drivers of other motor vehicles and all such persons shall drive with due regard for the safety of all persons and shall obey the traffic laws of this State, including the requirements established pursuant to subsection b. of section 1 of P.L.2009, c. 5 (C.39:4-92.2).

c. The chief administrator shall promulgate guidelines to effectuate the purposes of this act.