Washington Plan Approval Request — Recreational Vehicles and Recreational Park Trailers is a request to the Washington State Department of Transportation for approval to manufacture, sell, or operate recreational vehicles (RV) and recreational park trailers (RPT) in the state. This request must be made by the manufacturer or dealer of the RV or RPT. The Washington Plan Approval Request — Recreational Vehicles and Recreational Park Trailers includes different types of requests depending on the product being requested. These requests include: Recreational Vehicle Plan Approval Request; Recreational Park Trailer Plan Approval Request; Motorized Recreational Vehicle Plan Approval Request; and Non-Motorized Recreational Vehicle Plan Approval Request. The Washington Plan Approval Request — Recreational Vehicles and Recreational Park Trailers must be approved by the Washington State Department of Transportation before the manufacturer or dealer can sell or operate the recreational vehicles or recreational park trailers in the state.