The Blue Mountains line has been dealing with a disruption following a freight train derailment yesterday.

The main western rail line through the Blue Mountains will be closed for repairs from Sunday morning for at least five days following a freight train derailment earlier this week.

Minister for Regional Transport and Roads Sam Farraway told Michael McLaren maintenance crews are on site undertaking inspections along a 10-kilometre section of track to review the full extent of damage ahead of repair work.

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