Provided is a spray booth that includes a housing and a mechanism for advancing the vehicle through the housing. The spray booth may include a rail system that extends along the long axis of the housing and is off-set from the center of the short axis of the housing for advancing vehicles. The spray booth housing includes walls that define an area for locating a vehicle to be painted. The area defined by the walls includes regions for priming a vehicle to be painted, preparing a vehicle to be painted, and distinct painting areas for separately painting the vehicle that is engaged with the rail system and for painting parts that are not attached to the vehicle. The spray booth may also include one or more air handling systems for handling air that is flowed through the spray booth during the preparation and paint operations.