An interesting look at one of the key elements in the process of building roller coasters that you might not know about and makes complete sense. The tallest and longest steel roller coaster in the world is Kingda Ka, located at Six Flags Great Adventure in Jackson, New Jersey, United States. Kingda Ka is 456 ft. (139 m) in height. The train is launched by a hydraulic launch mechanism to 128 miles per hour (206 km/h) in 3.5 seconds.
Why Roller Coasters Tracks are Filled with Sand