(1) operates a vehicle on a roadway divided into three clearly marked traffic lanes with two-way traffic allowed on the roadway & moves in the center lane under any circumstances other than when:

(a) it's being exclusively allocated by a traffic control device to traffic moving in the same direction as the driver.

(b) overtaking & passing a vehicle going in the same direction & the center lane is clear of traffic within a safe distance.

(c) making a left turn.