Noarlunga rail line to be reopened on schedule, unlike the Tonsley and Belair lines which faced delays Transport Minister Tom Koutsantonis has confirmed the Noarlunga line will reopen as scheduled in September, following an eight-week delay to the reopening of the Tonsley line. COMMUTERS waiting on the reopening of the Noarlunga rail line have been assured trains will be back on track from September, following delays to both the Tonsley and Belair lines. Transport Minister Tom Koutsantonis (pictured) ­announced an eight-week delay to reopen the Tonsley rail line last week but said the Noarlunga line "won't be affected." A Transport Minister spokesman also reaffirmed the reopening of the Noarlunga line. "Work is still progressing on the rail re­vitalisation project in the expectation that diesel rail services on the Noarlunga line will resume as scheduled in September," he said. The Transport Department initially planned to reopen the Tonsley line in September and close it again early next year to duplicate 600m of the train line. Mr Koutsantonis said delaying the reopening for eight weeks would mean the 250 workers working on the line would remain on site for the next stage of the project. "It's important we utilise the existing closure to try to maximise efficiency and get the work done and to keep people working," Mr Koutsantonis said. Transport Services Minister Chloe Fox said commuters would be better off in the long run. The Tonsley line closed in February 2012 to cut the number of trains using the Adelaide Railway Station during works at the Convention Centre. Substitute buses will continue to run. The Tonsley delay comes after a six-day hold-up at the Belair rail line. Belair commuters were forced back on substitute buses because of signalling issues.