Six Flags Discovery Kingdom · operating · 1999
Roadrunner Express
30 ft · 25 mph
A Zamperla family gravity coaster in Looney Tunes Seaport with gentle drops for kids.
Specifications
Ride profile
Scaled against Six Flags Discovery Kingdom's operating coasters
Park intensity
Height
30 ft
#10 of 10 at Six Flags Discovery Kingdom
Ride experience
Launches, airtime, layout style, and more
- Family
- Steel
Specs from sixflags.com
Learn more
Mine train coasters
Smaller trains, winding layouts, and family-friendly pacing — often themed as mining adventures.
Tire drives and friction lifts
Rubber wheels that push the train — common in stations and some boost hills.
Dive coasters
A held moment on a vertical edge, then a steep release — signature B&M dive machines.
Family coasters — what to expect
Moderate height caps, shorter layouts, and gentler forces for mixed-age groups.
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Sources & official links
We link out to parks, manufacturers, and the pages where facts and media come from.
- Six Flags Discovery Kingdom — official sitesixflags.com(opens in a new tab)
- Six Flags Discovery Kingdom on Coaster AtlasPark page
- Ride specifications sourcesixflags.com(opens in a new tab)
- Zamperla — manufacturerzamperla.com(opens in a new tab)