off to the left of the road before a a shack on the left and a red fuel tank on the right.
its behind the big rock before the finish line.
In end of bridge explot the boxes at the left
its a hard one
Near the house to the left.
On the right beside a water tower.
After the double ramp on the right.
go after the gas tank in the forest and you see a track in right side and you see a hidden package
i dont know XD
Under the little bridge on the right
its above the 2nd ramp after the tunnel.
Behind a stack of crates on the right side of the track.
After exiting the Tunnel, behind the Gasoline Tank, in a building