No, a vehicle cannot be driven off Stoystown Auto Sales lot due to having a salvage title. The vehicle will have to be completely repaired and have met all requirements for an enhanced vehicle safety inspection.
An enhanced vehicle safety inspection requires the vehicle to be repaired to the initial operating condition as intended by the vehicle manufacture. Although, please check with your local state laws outside of Pennsylvania.
The requirements for a vehicle to be "totaled" depends on your insurance company. Different insurance companies may have different rules or regulations. It may depend on the actual cash value after the damaged has occurred, resale value, if the repair cost surpasses the vehicles value, etc.