Motorcycles and Motor Driven Cycles Registration & Plates Vehicle Registrations Current: Motorcycles and Motor Driven Cycles Motorcycle Awareness Get advice on how to share the road safely with motorcycles and other motorists. Motorcycle and Motor Driven Cycle Classifications Motorcycle and Motor Driven Cycle Classifications Motor Driven Cycles FAQs Find answers to your frequently asked questions about motor driven cycles. Autocycles Indiana law allows for the operation and registration of autocycles — a three-wheeled motor vehicle in which the operator and passenger ride in a completely or partially enclosed seating area.