This photo was taken by the contractors working on the new link road from Switch Island to Thornton:-
Click on the photo to enlarge it.
Maghull is visible in the top right with Netherton in the bottom left. Switch Island is just above mid way on the right with Thornton being in the distance to the mid left of the photo. You can see the course of the new road left to right.
The building of this new road comes down to the campaigning of Thornton residents and Thornton Parish Council.