Driving in the left lane in Michigan is illegal, unless to pass someone and Michigan State Police are about to crack down on left-lane drivers. Beginning Wednesday, March 1 through the end of April, troopers will be pulling over people who use the left lane for anything other than passing a vehicle. Lieutenant Chris McIntire commands the Rockford Post and says road rage is a big problem with left-lane hogs. "They over take them on the right and cause an accident or ride them on their bumper which causes the person in front to get mad. It causes a whole bunch of issues for us." The main focus in West Michigan will be U.S. 131 in Kent and Montcalm counties.