park added a Hopkins river raft ride named Blizzard River to the North End, replacing a set of dry slides and the old Bumper Cars. Blizzard River was themed to incorporate the Penguin character from the Batman franchise, but the name of the ride was never changed when the park was allowed to use characters from DC Comics on their rides. A new western area called Crack Axle Canyon was added and included four rides, three of which were new to the park. In 2000, Riverside was rebranded "Six Flags New England", reflecting similar changes made at other Six Flags properties. The main street running through the park was renamed "Carroll Drive" in honor of the family that had owned the place for much of its history. The park added a new front gate plaza. On the former site of the racetrack, a new DC Comics-themed section of the park was installed. The area featured several new rides, including Superman – Ride of Steel, a hypercoaster designed by Intamin. And the park added a third coaster called flashback which replaced the Black Widow and Rotor in the north end. Flashback was actually built on the site of the kiddie coaster rolling thunder. Rolling thunder now named great chase replaced the aging Rickie little twister coaster. In 2000. The Poland Spring Plunge log flume ride was removed in 2005 and replaced with Splashwater Falls in 2006. In 2008, Six Flags New England was to open The Dark Knight Coaster, an indoor MACK Wild Mouse coaster based on the upcoming film of the same name. The park's other Batman-based attraction had its name briefly changed from Batman – The Dark Knight to Batman: The Ride to avoid confusion. However, due to apparent permit issues, the ride was canceled and dismantled, being sent to Six Flags Mexico, which built it in their park. The ride would have cost the park $7.5 million in exchange for bringing $280,000 in taxes for the state of Massachusetts. The cancellation angered the city of Agawam, which stated that issues with the ride were not evident. The park then announced the new "Glow in the Park Parade". On November 8, 2008, the Town of Agawam allowed Six Flags the right to build roller coasters up to in height. This paved the way for many future roller coasters in the park. The 2010 season brought about the addition of