Allows the operator of a motorcycle to overtake and pass in the same lane occupied by the vehicle being overtaken, but only on the left-hand side of the vehicle and only in the left-most lane of traffic and only if certain conditions are met.

Prohibits an operator of a motor vehicle from intentionally impeding or attempting to prevent an operator of a motorcycle from operating the motorcycle as permitted.

Requires the department of transportation, when it has opened the use of the shoulder of a limited access facility for public transportation vehicles, to allow motorcycles to use the shoulder during the same time periods and conditions.