Dark plumes of smoke have spread through the air.
The explosives were to be used in works on railway tracks.
The crash was not discovered for hours.
Police were forced to use road spikes on the Pacific Motorway
A major explosion has killed at least two people and injuring 70.
Passing motorists frantically rushed to help the 23-year-old, but he died at the...
Dash Cam vision as a truck brakes late and crashes into cars on M5 Motorway.
Man's body found near busy Sydney motorway
Speed limits will drop by as much as 20km/h on some roads though
Scene of truck crash now cleared