Here, the roads switchback up stream valleys or travel over ridge tops. The Plow Detour later appeared on Season 25 as a Switchback. This side of the Detour later appeared on Season 29 as a Switchback. The first roller coaster, Switchback Railway, opened the following year. The song "Switchback" by Celldweller was licensed for the trailers. In 1892, the park's first roller coaster, the Switchback Railway, was built. Harley-Davidson introduced the FLD Dyna Switchback in 2012. She also rests her head on Diego's shoulder during the herd's landing on switchback cove. Plunge was a Switchback of a Roadblock in Season 1. The second was to clear the Breskens pocket north of the Leopold Canal (Operation Switchback). The Roadblock for this leg was a Switchback from Season 3. They were placed on the track in the switchback section. The Roadblock for this leg was a Switchback from Season 9. This leg's Roadblock was a Switchback to the very first task from Season 1. As the gradient was 1 in 40 this was known as the switchback.