Complex sentence: This move coincided with the closure of Pleasure Beach's Log Flume and resulted in the introduction of Infusion, the park's first new roller coaster in 13 years, which had previously operated at Pleasureland under the name of "Traumatizer".
Split into simpler sentences: This move coincided with the closure of Pleasure Beach's Log Flume and resulted in the introduction of Infusion, the park's first new roller coaster in 13 years. Infusion had previously operated at Pleasureland under the name of "Traumatizer".