Which form provides coverage while a mechanic takes a vehicle on a test drive?

The appropriate form that provides coverage while a mechanic takes a vehicle on a test drive is Garage Liability. This type of insurance is designed specifically for businesses in the automotive sector, such as garages and repair shops. It offers coverage for bodily injury and property damage that may occur while vehicles are in the premises or under their care, custody, or control.

When a mechanic conducts a test drive, the vehicle is still considered to be under the business's custody. Garage Liability would cover potential accidents, injuries, or damages that could happen to the vehicle, the mechanic, or any third parties during the test drive.

Other options like Garagekeepers Physical Damage are focused more on physical damage to vehicles that are parked or stored and do not directly address the liability aspect of driving the vehicle. The Trailer Interchange Form and the Motor Carrier Act of 1980 serve very specific purposes related to commercial hauling and trailers, which do not apply in this context. Thus, Garage Liability is the most relevant and comprehensive coverage in this scenario.