UPDATE 1.37PM:
VicRoads has advised both inbound lanes are now clear.
EARLIER
Monash Freeway inbound near Warrigal Road
A multi-vehicle collision has occurred on the Monash Freeway near Warrigal Road. Two left lanes are closed inbound.
Emergency Services are currently on site assisting with the clean up.
VicRoads is working with Police and the Fire Brigade to establish how long they will be on scene and when we can reopen all lanes.
Drivers planning on travelling through the area should seek an alternative route. Ferntree Gully Road is one alternative. If possible, postpone your trip. Delays travelling inbound begin at Springvale Road.
VicRoads is asking travellers to please be patient and to remember the importance of staying absolutely alert on the roads.