A. Any publicly-owned vehicle of any city, county, public district, state, or federal agency; or

B. Any vehicle licensed for the purpose of public transportation, including but not limited to, buses and taxi cabs; or

C. Any emergency vehicle, including but not limited to police cars, fire engines, ambulances, or tow trucks; or

D. Any vehicle being driven within a designated traffic congestion area for necessary commercial or medical reasons; or

E. Any person who can demonstrate that he or she lives within a designated traffic congestion area.