Janet, in your dream, the group of teenagers accompanied by a mother leaving a house with a bag of trash could symbolize a release or discarding of old habits or thoughts. The act of taking out trash often represents a desire for cleanliness, order, or making room for new experiences. The neighbor's awareness of the teenagers' actions might suggest that your subconscious is aware that others notice the changes or 'clean up' you are undertaking in your waking life.
The transition from a basement to a cul-de-sac in the winter could represent emerging from a place of subconscious thought or storage into a more open but still enclosed, cyclical space. Winter, with everyone in coats, may signify protection and warmth amidst change or a sense of emotional preservation during a period that feels more barren or challenging.
Looking at your previous dreams, there seems to be a theme of transformation and dealing with past events, such as old friends and significant choices. The recurring presence of the color red, for instance in the scarf and dress, might point to strong emotions or life force that is driving these changes or an awareness of them.
The fact that this dream did not have a high emotional intensity or negative feelings, unlike some of your past dreams, could indicate a more neutral or even accepting stance towards whatever life transitions you may be experiencing now. It's as if your unconscious mind is processing these ongoing changes in a more serene way, perhaps indicating a matured coping mechanism or a period of relative stability in your psychological landscape.