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XLR-8 in 2004 showing the different orientation of cars
Six Flags AstroWorld
Coordinates 29°40′29″N 95°24′20″W / 29.674818°N 95.405643°W / 29.674818; -95.405643Coordinates: 29°40′29″N 95°24′20″W / 29.674818°N 95.405643°W / 29.674818; -95.405643
Status Closed
Opening date May 12, 1984
Closing date October 30, 2005
General statistics
Type Steel – Suspended
Manufacturer Arrow Dynamics
Model Suspended roller coaster
Height 81 ft (25 m)
Length 3,000 ft (910 m)
Speed 34.1 mph (54.9 km/h)
Inversions 0
Duration 3:00
Height restriction 42 in (107 cm)
Pictures of XLR-8 at RCDB

XLR-8 (pronounced "accelerate") was a steel suspended roller coaster. It was designed by Arrow Dynamics (at the time called 'Arrow-Huss') and located at Six Flags Astroworld from when it was constructed in 1984 until AstroWorld closed in 2005. XLR-8 was the successor to the troubled Bat at Kings Island, which had closed due to several problems.

Halloween Fright Fest 2002[edit]

For Astroworld's Fright Fest 2002 event, the last four cars were reversed, which had never been done before on any other suspended roller coaster. The change was successful and the trains remained like that until Astroworld's closure in 2005.


Astroworld closed operations permanently on October 30, 2005 when Six Flags decided to close Astroworld at the end of the 2005 season. On February 3, 2006 the ride was sold for $50,000 and was scrapped. The trains are now used on Ninja at Six Flags Magic Mountain.