Original sentence: Since 1986, plans have been drawn-up for the Coolac bypass, with a review of environmental factors report completed in 1997 but construction not commencing until May 2007 and is expected to be completed in November 2009 - Under AusLink
Edited sentence: Since 1986, plans have been drawn-up for the Coolac bypass, with REF (review of environmental factors) report in 1997, then finally after long-tiresome and very frustrating delays, construction commenced in May 2007 and is expected to be completed in November 2009 - Under AusLink