Section 814.240 - Motorcycle or moped unlawful passing; penalty(1) A motorcycle operator or moped operator commits the offense of motorcycle or moped unlawful passing in a lane with a vehicle if the operator does any of the following: (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.