To see an alley in your dream indicates a lack of viable solutions to a problem or concern. It may also mean that you find yourself at a crossroads and are unsure of which path to take or which decision to make. Responsibilities pertaining to your home life are causing you confusion.
To dream that you are walking through an alley implies that you have chosen the easy way to a destination or have walked down the wrong path towards a goal. It may also suggest that you will lose a revered status in some aspect of your life.