Through relentless innovation, PSS products make work zones safer for drivers and workers. In 2014, PSS introduced RoadQuake 2F Temporary Portable Rumble Strips (TPRS) to reduce accidents and save lives. RoadQuake's vibrations and sounds tell drivers that road conditions will soon change, and are as loud as milled-in rumble strips. Our most recent innovation, RAPTOR™ Rumble Strip Handling Machine, transports, deploys, realigns and retrieves RoadQuake® 2F TPRS from the safety of the cab. Workers are safer in work zones because of RAPTOR, RoadQuake and other PSS products.