This bill amends R.S.39:3-54 to allow certain motor vehicles owned and operated by the State or local government units, specifically those used for snow removal or road salting, to display both amber and green warning lights. Previously, these vehicles were restricted to displaying only amber lights for warning signals. The new provision stipulates that the green lights can only be used when the vehicle is engaged in operations that pose a traffic hazard requiring unusual care from other drivers, and the vehicle must also display the required amber lights.

Additionally, the bill updates the language regarding the approval authority for warning lights, changing references from the "Director of the Division of Motor Vehicles" to the "Chief Administrator of the New Jersey Motor Vehicle Commission." It also clarifies the mounting and visibility requirements for these warning lights, ensuring they are visible from a distance of at least 500 feet when activated. The bill is set to take effect immediately upon passage.