The documentary series “Highway Patrol” follows Australian traffic police officer Senior Constable Shane Marsden and his colleagues. They are out and about on the endless roads of Down Under, tasked with ensuring compliance with speed limits, preventing dangerous driving behaviors, and apprehending intoxicated drivers, they play a crucial role in road safety. In cases of minor accidents or personal injuries, securing the accident scenes and conducting thorough investigations are essential. Marsden and his team are dedicated to making the roads safer through their efforts, while the cameras capture their journey across the state of Victoria.