Requires certain commercial motor vehicles registered in State to be equipped with underride protection systems and requires Chief Administrator of MVC to establish underride public awareness campaign.

S 2158 requires all commercial motor vehicles (CMVs) registered in New Jersey to be equipped with underride protection systems - devices on the front, rear, and sides that prevent other vehicles from sliding under trucks during collisions. This directly affects CMV operators (like trucking companies and delivery services) registered in the state, with fines of $50-$100 for first violations and $100-$200 for repeat offenses. The bill also mandates the New Jersey Motor Vehicle Commission to launch a public awareness campaign about underride crash risks and safe driving practices, using printed and digital materials. The goal is to reduce injuries and fatalities from underride collisions, which caused 4,195 U.S. deaths between 1994-2015.