While driving, the freight must NOT _________.

The cargo or any other object must not: Obscure the driver's view ahead or to the right or left sides (except for drivers of self-steer dollies). Interfere with the free movement of the driver's arms or legs. Prevent the driver's free and ready access to accessories required for emergencies. OR Prevent the free and ready exit of any person from the commercial motor vehicle's cab or driver's compartment.