This is not my tutorial - I take no credit.Step 1
This is how it should look after our tutorial is over.Step 2
Duplicate the background layer 2 times and rename them to "layer1" and "layer2".
Layer2 should be at the topStep 3
Flip vertical "layer2"step 4
Hide layer 2Step 5
Now you'll select the road, you have to be very careful.
i used the polygonal lasso tool, it's up to you if you prefer another way to select the road .Step 6
inverse selection than make layer2 visibleStep 7
press delete to delete the selectionStep 8
set the blending mode of layer2 to soft lightStep 9
Set the blending mode for layer1 to overlayStep 10
Now for the final touches to make your picture look more real use the burn tool on the grass and the trees and anywhere should have been wet from the rain.