Complex sentence: On 31 October 2008, it was announced that delivery of the project would be divided into two stages, with stage two of the project-which extends the railway line to Leppington-deferred due to budget cuts.
Split into simpler sentences: On 31 October 2008, it was announced that delivery of the project will be staged. Stage two of the project, which extends the railway line to Leppington was deferred due to budget cuts.