USED RVS, TRAVEL TRAILERS, TOY HAULERS, 5TH WHEELS, AND CAMPING GEAR FOR SALE NEAR SIOUX FALLS, SOUTH DAKOTA 2012 Keystone RV Passport 2910BHGo Anywhere. With customer demand for lightweight, fuel-efficient travel trailers at an all-time high, the Passport ultra-lite finds favor with families who want to maximize fuel efficiency but maintain all of the conveniences of a well appointed, feature-packed RV. You'll never want to travel without your Passport.