Dreams of a barrier symbolize resistance to your circumstances or that there is a challenge to overcome. You are grappling with a growth opportunity that once overcome will make you stronger, clearer, wiser, and better.... Strangest Dream Explanations
Psychological / emotional perspective: As a barrier signifies an obstacle to be overcome, or a difficulty to be recognized, the nature of the barrier and our reactions will clarify any action that needs to be taken. In our most vulnerable emotional states we may need some sort of buffer between us and the rest of the world.... Dream Meanings of Versatile
Vision: Dreaming about a barrier of any kind that is stopping you: unconscious scruples or inhibitions are keeping you from finishing a ccrtain projcct. It is not that others are keeping you from it; you yourself are responsible for the situation! However, jumping a barrier means that you will overcome hurdles in real life. Standing in front a very tall barrier: a hint that you need to reexamine your plans—you’ve been too optimistic and idealistic; or you overestimated the situation. See Wood.
Depth Psychology: A barrier stands for inhibitions or hurdles that vou need to get over soon. Or are you protecting yourself against impending changes and/or people?... Dreamers Dictionary