It was built in 1938 by the leading roller coaster designer and builder of that era, Philadelphia Toboggan Company.

Built over a hillside at Idlewild Park, the Rollo Coaster is an out and back format.

[8] In addition, the report noted several instances of excessive wear and movement of the train hitches and tracks, but that it wasn't known whether these factors caused the accident.

[9] Based on this report, the state also recommended amusement parks with similar roller coasters voluntarily make take the same actions.

[10] Idlewild announced they had procured a new train for the Rollo Coaster, which included seat belts, and that they expected the ride to resume operation for the 2018 season, pending a state inspection.