Top Thrill Dragster the world overtaking both world records from Steel Dragon 2000 at Nagashima Spa Land that was just built three years earlier. It lost the title of being the world's tallest and fastest roller coaster when Kingda Ka at Six Flags Great Adventure opened in May 2005. Intamin designed both Kingda Ka and Top Thrill Dragster, and the two share a similar design and layout that differs primarily by the theme and the additional hill featured on Kingda Ka. The ride had constant downtime in its first couple seasons. Several problems such as the ride's hydraulic system and launch cable caused
Kingda Ka used for the seats and restraints. Each train seats 18 people (two per row). The rear car has one row, while the rest have two. The rear row of each car is positioned higher than its front row for better visibility. Each of Kingda Ka's trains has an extra row of seat mounts. The panels could be removed for the installation of additional seats in the future. This modification would increase the capacity of each train from 18 to 20, and the hourly capacity of the coaster from 1400 to 1600 riders per hour. Kingda Ka's station is prepared for