UPDATE, 1.45pm: Police are investigating the cause of a collision which involved a delivery truck crashing into the back of a B-double and then into a parked council grader.
Heywood police Sergeant Callum McKinnon said the accident happened at 7.50am as the two trucks were heading north on the Henty Highway just north of Condah, at the intersection with the Condah Garage Road.
"The B-double pulled out of a side road and had accelerated to about 60 or 70 km/h," he said.
"The heavy rigid vehicle (delivery truck) was also heading north and struck the back of the B-double.
"As a result the heavy rigid has swerved onto the left-hand shoulder of the road and on to the grass reserve.
"Unfortunately, parked on the reserve was an unoccupied council grader and the heavy rigid smashed into it."
Sergeant McKinnon said the investigation into the cause of the collision was ongoing.
The 46-year-old Reservoir man, who was a passenger in the delivery truck, was trapped by the legs.
It took State Emergency Service and Country Fire Authority volunteers about 20 minutes to release the trapped man.
The truck had been delivering bread rolls to McDonald's restaurants.
The delivery truck driver, a 33-year-old Springvale man, and the B-double driver, a 38-year-old Portland man, were not injured.
There was extensive damage to the delivery truck and grader and minor damage to the B-double.
Sergeant McKinnon said all involved were pretty lucky.
"It could have been an awful lot worse," he said.
Earlier: Emergency services are in the process of freeing a trapped driver after two heavy vehicles collided on the Henty Highway at Condah.
A police spokesman said emergency services were alerted at 8.20am after the collision at the intersection of the Henty Highway and McLeods Road just a couple of kilometres north of Condah.
He said a driver was trapped but in the process of being released.
Neither driver was seriously injured.
Police, ambulance, fire brigade and State Emergency Service volunteers are on the accident scene.
More to come.
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