A TRUCK driver is lucky to be alive after rolling his truck this morning just outside Pinjarra.
The accident happened at 7am on South Western Highway at the new Greenlands Road roundabout.
A passing motorist freed the trapped driver who suffered minor injuries.
At this stage it is not clear what caused the rollover.
Police are investigating.
Main Roads has advised of road closures within a 1-kilometre radius of the accident site during the clean-up.
Motorists must use Forrest Highway to head south.
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