(1) A vehicle shall be driven as nearly as practicable entirely within a single lane and shall not be moved from that lane until the driver has first ascertained that the movement can be made with safety;

(2) Upon a roadway that is divided into three (3) lanes, a vehicle shall not be driven in the center lane except when overtaking and passing another vehicle where the roadway is clearly visible and the center lane is clear of traffic within a safe distance, or in preparation for a left turn or where the center lane is at the time allocated exclusively to traffic moving in the direction the vehicle is proceeding and is signposted to give notice of this allocation;

(3) Official signs may be erected directing slow-moving traffic to use a designated lane or designating those lanes to be used by traffic moving in a particular direction regardless of the center of the roadway, and drivers of vehicles shall obey the directions of every such sign; and

(4)

(A) Where passing is unsafe because of traffic in the opposite direction or other conditions, a slow-moving vehicle, including a passenger vehicle, behind which five (5) or more vehicles are formed in line, shall turn or pull off the roadway wherever sufficient area exists to do so safely, in order to permit vehicles following it to proceed. As used in this subdivision (4), a slow-moving vehicle is one which is proceeding at a rate of speed that is ten miles per hour (10 mph) or more below the lawful maximum speed for that particular roadway at that time;

(B) Any person failing to conform with subdivision (4)(A) shall receive a warning citation on first offense and be liable for a fine of twenty dollars ($20.00) on second offense, and fifty dollars ($50.00) on third and subsequent offenses;

(C) Subdivision (4)(A) shall not apply to funeral processions, school buses, farm tractors, or implements of husbandry.