Complex sentence: The former rail operator Tranz Rail was accused of forcing freight onto the roads, and in 2002 introduced a controversial containerisation scheme that assumed that most freight would be carried in containers on unit trains made up of fixed consists of flat deck wagons.
Split into simpler sentences: The former rail operator Tranz Rail was accused of forcing freight onto the roads. In 2002, Tranz Rail introduced a controversial containerisation scheme that assumed that most freight would be carried in containers on unit trains made up of fixed consists of flat deck wagons.