A corrosive substance in Moorebank has caused major traffic delays with reports of road closures.
The substance was reported on Moorebank Avenue between the M5 motorway and Church Road.
The road is closed in both directions.
There is no exit available from M5 Motorway to Moorebank Avenue and no access is available from Heathcote Road to Moorebank Avenue.
Emergency services are at the scene.
For more details visit: http://livetraffic.rta.nsw.gov.au/desktop.html#textview