| 4.__Multilane highway.__On a highway with more than 2 lanes |
| in the same direction, a commercial motor vehicle is |
| restricted in ordinary operation to the right-hand lane and in |
| overtaking and passing is restricted to the next adjacent |
| travel lane and may not use any other lanes except in an |
| emergency.__For purposes of this section, "commercial motor |
| vehicle" means a vehicle in excess of 2 1/2 tons used for |
| transportation of goods, wares and merchandise. |