We think of roller coasters as being all-American. ... along with a ride manufacturer, rethought coaster design and developed a tubular steel track system and trains that used polyurethane wheels.

Hersheypark's newest ride, the Laff Trakk, is a roller coaster. But with its creepy clown gates, glow-in-the-dark scenes, and spinning cars, it's really a fun house on wheels. And that's the whole ...

Hersheypark’s engineers studied the ride and determined the roller coaster’s train wheels were the culprit. Originally the ride’s train used a soft-compound wheel.