Amends GS 20-154 to make it a Class 2 misdemeanor, requiring a fine of at least $200, for a violation of subsection (a) of the statute (requiring a driver to make sure that a movement can be made safely before starting, stopping, or turning from a direct line and requiring a signal visible to the driver of the other vehicle alerting them to the intention of the movement whenever the operation of any other vehicle may be affected by such movement) when the violation causes a motorcycle operator to change lanes or leave a portion of any street or highway designated as travel lanes. Provides further that if the violation results in a crash that causes property damage or personal injury to a motorcycle operator or passenger, the violation is a Class 1 misdemeanor requiring payment of at least $500. Effective for offenses committed on or after December 1, 2011.