One of the most dangerous places a deputy works is on the highway. On April 12th, deputies were investigating the scene of a two vehicle crash on USH 151 south of CTH AS. They had removed debris and crashed vehicles from the lanes of traffic and squads with lights on were parked on the shoulder behind the scene giving approaching motorists plenty of notice about the emergency scene ahead. Traffic was moving into the left lane as required, however a semi-tractor trailer unit travelled into the em