 Completion was scheduled for the end of July 2008 and marked with an opening ceremony on 19 September that year , during which the new Margaret Fletcher tunnel under the Manchester Inner Ring Road was formally named . Full restoration of the canal could create up to 6 @,@ 000 jobs and add an annual £ 6M to the local economy . The total cost is estimated at £ <unk> . The next planned major restoration may be along Salford Crescent . 
