Dreams involving cars often symbolize your journey in life, representing control, direction, and the choices you make. In your dream, being with two friends suggests a sense of companionship and support in your current path.

The appearance of the silver spider can have several interpretations. Spiders often represent creativity, patience, and the complexities of life, while the color silver may symbolize intuition, clarity, and the ability to see beyond the surface. Letting the spider out could indicate a desire to release any creative energies or societal pressures you may be holding onto. It might suggest that you are ready to embrace new ideas or perspectives.

Arriving at a street fair signifies celebration, enjoyment, and a sense of community. It could indicate that you are entering a phase of life where you are open to new experiences and social interactions.

Overall, this dream may reflect your journey towards embracing creativity and enjoying the company of friends while navigating through life's complexities. Consider what aspects of your life you might be ready to explore or release, and how you can enhance your enjoyment of your current experiences.