(a) Overtakes and passes in the same lane occupied by the vehicle the operator is overtaking, unless the vehicle being passed is a motorcycle or a moped.
(b) Operates a moped or motorcycle between lanes of traffic or between adjacent lines or rows of vehicles.
(2) This section does not apply to a police officer in the performance of official duties.
(3) The offense described in this section, motorcycle or moped unlawful passing in a lane with a vehicle, is a Class B traffic violation. [1983 c.338 §689]