Kingda Ka Kingda Ka Kingda Ka is a steel accelerator roller coaster located at Six Flags Great Adventure in Jackson, New Jersey. It is the world's tallest roller coaster, the world's second fastest roller coaster, and was the second strata coaster ever built. It was built by Stakotra, a subcontractor to Intamin. Riders have to be at least tall in order to be able to get on the roller coaster. The train is launched by a hydraulic launch mechanism to in 3.5 seconds. At the end of the launch track, the train climbs the main top hat tower, reaching a height of
Millennium Bridge (Dublin) 2000+ and Thompson Engineering respectively. The Millennium Bridge is neighbour to the much older pedestrian Ha'penny Bridge to the east, and Grattan Bridge to the west. Millennium Bridge (Dublin) The Millennium Bridge () is a pedestrian bridge spanning the River Liffey in Dublin, joining Eustace Street in Temple Bar to the north quays. Installed in December 1999, to commemorate the new millennium (2000), the span was actually constructed 80 km from Dublin - in Carlow - as a portal frame structure made up of a slender steel truss and resting on reinforced concrete haunches. The bridge was designed by Howley