Host Bob Felt interviews industry expert Mr. Robert Roth and outlines various methods of wrong way detection commonly used on freeway ramps. Detection methods discussed include pavement loops, radar, LiDar, and thermal imaging cameras. These solutions properly installed can help save lives of innocent people by reducing the number of vehicles heading in the wrong direction on a freeway ramp or roadway. Multiple (collaborating) radar units installed in conjunction with flashing sign systems help keep people moving safely along the transportation network.