The primary cause of the accident was found to be very poor track maintenance, contributed to by an overloaded wagon.
Some others say that some track maintenance was going on with speed restriction which the driver did not observe.
But due to poor track maintenance and condition, they don't drive faster than 50 km/h(31 mph).
The track maintenance is carried out by Transfield services.
As the popularity increased, more resources were put into track maintenance and facilities.
With smaller profits came deferred track maintenance and weeds could be seen growing along the line.
This leads to the steps of track initiation and track maintenance.
Special trains are also used for track maintenance; in some places, this is called maintenance of way.
It is designed to provide for track maintenance, lower running costs and improved customer safety.
Three speeders dating from the 1930s are used for track maintenance.