An exempt vehicle must be roadworthy. Stickers used for ferrying or testing unregistered but roadworthy vehicles, prototypes etc. Unrestored examples are still roadworthy over 80 years later. A roadworthy vehicle is considered to be roadworthy until it changes hands. Hendy owns two roadworthy London AEC Routemaster buses. There are also classic cars, lowriders, and various other highly modified roadworthy vehicles. Many of these vehicles are unsafe and not roadworthy, and often dangerously overloaded. A roadworthy is required in the selling of a vehicle. It does not mean that the vehicle is roadworthy for the life of the certificate. All cars were to be certified as roadworthy and in "good" to "excellent" condition. Rocco forces at gunpoint to exchange his defective truck with the roadworthy truck of Marec. The car is roadworthy and has the registration number GEN 22. The first roadworthy prototype was completed in August 2003. Even with a failed torsion bar the M548 is still roadworthy. In 2008, it was estimated that about 50,000 to 60,000 Ford Model Ts remain roadworthy.