The mystery gate!

This morning before I left home for my walk I decided that the theme would be field gates, preferably rusty ones, for today's image.  I photographed a number of gates on the Magherascouse Road, what a name!  But I came across this image, it's a mystery!  A narrow lane that seems to go nowhere and the sign "no entry".   The image also has a vanishing point, which is why I selected it.  Later this afternoon I went out again and got more images making the final edit difficult.  However I stuck with my original theme, sort of...