<Tr> <Th> Trains </Th> <Td> 2 trains with 10 cars . Riders are arranged 2 across in 2 rows for a total of 40 riders per train . </Td> </Tr> <Tr> <Td_colspan="2"> The Ultimate at RCDB Pictures of The Ultimate at RCDB </Td> </Tr> <P> The Ultimate is a steel roller coaster at Lightwater Valley amusement park, near the small cathedral city of Ripon, in North Yorkshire, England . In 1991, it took the record of longest roller coaster in the world from The Beast at Kings Island . Following the opening of Steel Dragon 2000 in Japan, it became the second longest roller coaster in the world but still remained the longest in Europe . </P> <P> "The Ultimate" represented an investment of £ 5.2 million and was the concept of the park's original owner, Robert Staveley . Construction work began in early 1990 and took eighteen months to complete before the opening to the public on 17 July 1991 . </P>

What is the name of europe’s longest rollercoaster based at lightwater valley